diff --git a/apps/api/documents/api.js b/apps/api/documents/api.js
index 4764619edc..a49fff5d95 100644
--- a/apps/api/documents/api.js
+++ b/apps/api/documents/api.js
@@ -286,7 +286,8 @@
                 'onRequestOpen': <try to open external link>,
                 'onRequestSelectDocument': <try to open document>, // used for compare and combine documents. must call setRequestedDocument method. use instead of onRequestCompareFile/setRevisedFile
                 'onRequestSelectSpreadsheet': <try to open spreadsheet>, // used for mailmerge id de. must call setRequestedSpreadsheet method. use instead of onRequestMailMergeRecipients/setMailMergeRecipients
-                'onRequestReferenceSource': <try to change source for external link>, // used for external links in sse. must call setReferenceSource method
+                'onRequestReferenceSource': <try to change source for external link>, // used for external links in sse. must call setReferenceSource method,
+                'onSaveDocument': 'save document from binary'
             }
         }
 
@@ -355,6 +356,7 @@
         _config.editorConfig.canRequestSelectDocument = _config.events && !!_config.events.onRequestSelectDocument;
         _config.editorConfig.canRequestSelectSpreadsheet = _config.events && !!_config.events.onRequestSelectSpreadsheet;
         _config.editorConfig.canRequestReferenceSource = _config.events && !!_config.events.onRequestReferenceSource;
+        _config.editorConfig.canSaveDocumentToBinary = _config.events && !!_config.events.onSaveDocument;
         _config.frameEditorId = placeholderId;
         _config.parentOrigin = window.location.origin;
 
@@ -564,9 +566,9 @@
             }
         };
 
-        var _sendCommand = function(cmd) {
+        var _sendCommand = function(cmd, buffer) {
             if (iframe && iframe.contentWindow)
-                postMessage(iframe.contentWindow, cmd);
+                postMessage(iframe.contentWindow, cmd, buffer);
         };
 
         var _init = function(editorConfig) {
@@ -587,6 +589,13 @@
             });
         };
 
+        var _openDocumentFromBinary = function(doc) {
+            doc && _sendCommand({
+                command: 'openDocumentFromBinary',
+                data: doc.buffer
+            }, doc.buffer);
+        };
+
         var _showMessage = function(title, msg) {
             msg = msg || title;
             _sendCommand({
@@ -846,7 +855,8 @@
             setReferenceData    : _setReferenceData,
             setRequestedDocument: _setRequestedDocument,
             setRequestedSpreadsheet: _setRequestedSpreadsheet,
-            setReferenceSource: _setReferenceSource
+            setReferenceSource: _setReferenceSource,
+            openDocument: _openDocumentFromBinary
         }
     };
 
@@ -897,6 +907,12 @@
         var _onMessage = function(msg) {
             // TODO: check message origin
             if (msg && window.JSON && _scope.frameOrigin==msg.origin ) {
+                if (msg.data && msg.data.event === 'onSaveDocument') {
+                    if (_fn) {
+                        _fn.call(_scope, msg.data);
+                    }
+                    return;
+                }
 
                 try {
                     var msg = window.JSON.parse(msg.data);
@@ -1107,12 +1123,11 @@
         return iframe;
     }
 
-    function postMessage(wnd, msg) {
+    function postMessage(wnd, msg, buffer) {
         if (wnd && wnd.postMessage && window.JSON) {
             // TODO: specify explicit origin
-            wnd.postMessage(window.JSON.stringify(msg), "*");
+            buffer ? wnd.postMessage(msg, "*", [buffer]) : wnd.postMessage(window.JSON.stringify(msg), "*");
         }
-
     }
 
     function extend(dest, src) {
diff --git a/apps/common/Gateway.js b/apps/common/Gateway.js
index e2efd153d8..fa6733af22 100644
--- a/apps/common/Gateway.js
+++ b/apps/common/Gateway.js
@@ -47,6 +47,10 @@ if (window.Common === undefined) {
                 $me.trigger('opendocument', data);
             },
 
+            'openDocumentFromBinary': function(data) {
+                $me.trigger('opendocumentfrombinary', data);
+            },
+
             'showMessage': function(data) {
                 $me.trigger('showmessage', data);
             },
@@ -156,11 +160,11 @@ if (window.Common === undefined) {
             }
         };
 
-        var _postMessage = function(msg) {
+        var _postMessage = function(msg, buffer) {
             // TODO: specify explicit origin
             if (window.parent && window.JSON) {
                 msg.frameEditorId = window.frameEditorId;
-                window.parent.postMessage(window.JSON.stringify(msg), "*");
+                buffer ? window.parent.postMessage(msg, "*", [buffer]) : window.parent.postMessage(window.JSON.stringify(msg), "*");
             }
         };
 
@@ -169,6 +173,14 @@ if (window.Common === undefined) {
             if (msg.origin !== window.parentOrigin && msg.origin !== window.location.origin && !(msg.origin==="null" && (window.parentOrigin==="file://" || window.location.origin==="file://"))) return;
 
             var data = msg.data;
+            if (data && data.command === 'openDocumentFromBinary') {
+                handler = commandMap[data.command];
+                if (handler) {
+                    handler.call(this, data.data);
+                }
+                return;
+            }
+
             if (Object.prototype.toString.apply(data) !== '[object String]' || !window.JSON) {
                 return;
             }
@@ -386,6 +398,13 @@ if (window.Common === undefined) {
                 _postMessage({ event: 'onPluginsReady' });
             },
 
+            saveDocument: function(data) {
+                data && _postMessage({
+                    event: 'onSaveDocument',
+                    data: data.buffer
+                }, data.buffer);
+            },
+
             on: function(event, handler){
                 var localHandler = function(event, data){
                     handler.call(me, data)
diff --git a/apps/documenteditor/main/app/controller/Main.js b/apps/documenteditor/main/app/controller/Main.js
index 9ce0b1493f..62023a56ee 100644
--- a/apps/documenteditor/main/app/controller/Main.js
+++ b/apps/documenteditor/main/app/controller/Main.js
@@ -252,6 +252,7 @@ define([
                     Common.Gateway.on('init',           _.bind(this.loadConfig, this));
                     Common.Gateway.on('showmessage',    _.bind(this.onExternalMessage, this));
                     Common.Gateway.on('opendocument',   _.bind(this.loadDocument, this));
+                    Common.Gateway.on('opendocumentfrombinary',   _.bind(this.loadBinary, this));
                     Common.Gateway.on('grabfocus',      _.bind(this.onGrabFocus, this));
                     Common.Gateway.appReady();
 
@@ -463,6 +464,7 @@ define([
                 this.appOptions.uiRtl = !(Common.Controllers.Desktop.isActive() && Common.Controllers.Desktop.uiRtlSupported()) && !Common.Utils.isIE;
                 this.appOptions.disableNetworkFunctionality = !!(window["AscDesktopEditor"] && window["AscDesktopEditor"]["isSupportNetworkFunctionality"] && false === window["AscDesktopEditor"]["isSupportNetworkFunctionality"]());
                 this.appOptions.mentionShare = !((typeof (this.appOptions.customization) == 'object') && (this.appOptions.customization.mentionShare==false));
+                this.appOptions.canSaveDocumentToBinary = this.editorConfig.canSaveDocumentToBinary;
                 this.appOptions.user.guest && this.appOptions.canRenameAnonymous && Common.NotificationCenter.on('user:rename', _.bind(this.showRenameUserDialog, this));
 
                 this.appOptions.canRequestClose = this.editorConfig.canRequestClose;
@@ -541,6 +543,7 @@ define([
                     docInfo.put_EncryptedInfo(this.editorConfig.encryptionKeys);
                     docInfo.put_Lang(this.editorConfig.lang);
                     docInfo.put_Mode(this.editorConfig.mode);
+                    docInfo.put_SupportsOnSaveDocument(this.editorConfig.canSaveDocumentToBinary);
 
                     var enable = !this.editorConfig.customization || (this.editorConfig.customization.macros!==false);
                     docInfo.asc_putIsEnabledMacroses(!!enable);
@@ -1025,7 +1028,7 @@ define([
 
                 if (this.api && this.appOptions.isEdit && !toolbarView._state.previewmode) {
                     var cansave = this.api.asc_isDocumentCanSave(),
-                        forcesave = this.appOptions.forcesave,
+                        forcesave = this.appOptions.forcesave || this.appOptions.canSaveDocumentToBinary,
                         isSyncButton = (toolbarView.btnCollabChanges.rendered) ? toolbarView.btnCollabChanges.cmpEl.hasClass('notify') : false,
                         isDisabled = !cansave && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave;
                         toolbarView.btnSave.setDisabled(isDisabled);
@@ -1904,6 +1907,7 @@ define([
                     me.api.asc_registerCallback('asc_onCollaborativeChanges',    _.bind(me.onCollaborativeChanges, me));
                     me.api.asc_registerCallback('asc_OnTryUndoInFastCollaborative',_.bind(me.onTryUndoInFastCollaborative, me));
                     me.api.asc_registerCallback('asc_onConvertEquationToMath',_.bind(me.onConvertEquationToMath, me));
+                    me.appOptions.canSaveDocumentToBinary && me.api.asc_registerCallback('asc_onSaveDocument',_.bind(me.onSaveDocumentBinary, me));
                     /** coauthoring end **/
 
                     if (me.stackLongActions.exist({id: ApplyEditRights, type: Asc.c_oAscAsyncActionType['BlockInteraction']})) {
@@ -2321,7 +2325,7 @@ define([
                 var toolbarView = this.getApplication().getController('Toolbar').getView();
                 if (toolbarView && toolbarView.btnCollabChanges && !toolbarView._state.previewmode) {
                     var isSyncButton = toolbarView.btnCollabChanges.cmpEl.hasClass('notify'),
-                        forcesave = this.appOptions.forcesave,
+                        forcesave = this.appOptions.forcesave || this.appOptions.canSaveDocumentToBinary,
                         isDisabled = !isModified && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave;
                         toolbarView.btnSave.setDisabled(isDisabled);
                 }
@@ -2338,7 +2342,7 @@ define([
 
                 if (toolbarView && this.api && !toolbarView._state.previewmode) {
                     var isSyncButton = toolbarView.btnCollabChanges.cmpEl.hasClass('notify'),
-                        forcesave = this.appOptions.forcesave,
+                        forcesave = this.appOptions.forcesave || this.appOptions.canSaveDocumentToBinary,
                         isDisabled = !isCanSave && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave;
                         toolbarView.btnSave.setDisabled(isDisabled);
                 }
@@ -3158,6 +3162,14 @@ define([
                 }
             },
 
+            onSaveDocumentBinary: function(data) {
+                Common.Gateway.saveDocument(data);
+            },
+
+            loadBinary: function(data) {
+                data && this.api.asc_openDocumentFromBytes(new Uint8Array(data));
+            },
+
             leavePageText: 'You have unsaved changes in this document. Click \'Stay on this Page\' then \'Save\' to save them. Click \'Leave this Page\' to discard all the unsaved changes.',
             criticalErrorTitle: 'Error',
             notcriticalErrorTitle: 'Warning',
diff --git a/apps/documenteditor/main/app/controller/Toolbar.js b/apps/documenteditor/main/app/controller/Toolbar.js
index f1cd1c5142..0031673547 100644
--- a/apps/documenteditor/main/app/controller/Toolbar.js
+++ b/apps/documenteditor/main/app/controller/Toolbar.js
@@ -1078,13 +1078,13 @@ define([
             if (this.api) {
                 var isModified = this.api.asc_isDocumentCanSave();
                 var isSyncButton = toolbar.btnCollabChanges && toolbar.btnCollabChanges.cmpEl.hasClass('notify');
-                if (!isModified && !isSyncButton && !toolbar.mode.forcesave)
+                if (!isModified && !isSyncButton && !toolbar.mode.forcesave && !toolbar.mode.canSaveDocumentToBinary)
                     return;
 
                 this.api.asc_Save();
             }
 
-            toolbar.btnSave.setDisabled(!toolbar.mode.forcesave);
+            toolbar.btnSave.setDisabled(!toolbar.mode.forcesave && !toolbar.mode.canSaveDocumentToBinary);
 
             Common.NotificationCenter.trigger('edit:complete', toolbar);
 
diff --git a/apps/documenteditor/main/app/view/Toolbar.js b/apps/documenteditor/main/app/view/Toolbar.js
index 4166e14e30..618f3485f1 100644
--- a/apps/documenteditor/main/app/view/Toolbar.js
+++ b/apps/documenteditor/main/app/view/Toolbar.js
@@ -2949,7 +2949,7 @@ define([
                             this.synchTooltip.hide();
                         this.btnCollabChanges.updateHint(this.btnSaveTip);
 
-                        this.btnSave.setDisabled(!me.mode.forcesave);
+                        this.btnSave.setDisabled(!me.mode.forcesave && !me.mode.canSaveDocumentToBinary);
                         this._state.hasCollaborativeChanges = false;
                     }
                 }
diff --git a/apps/pdfeditor/main/app/controller/Main.js b/apps/pdfeditor/main/app/controller/Main.js
index 60fb87d7c7..5efa1a0dc8 100644
--- a/apps/pdfeditor/main/app/controller/Main.js
+++ b/apps/pdfeditor/main/app/controller/Main.js
@@ -202,6 +202,7 @@ define([
                     Common.Gateway.on('init',           _.bind(this.loadConfig, this));
                     Common.Gateway.on('showmessage',    _.bind(this.onExternalMessage, this));
                     Common.Gateway.on('opendocument',   _.bind(this.loadDocument, this));
+                    Common.Gateway.on('opendocumentfrombinary', _.bind(this.loadBinary, this));
                     Common.Gateway.on('grabfocus',      _.bind(this.onGrabFocus, this));
                     Common.Gateway.appReady();
 
@@ -400,6 +401,7 @@ define([
                 this.appOptions.compatibleFeatures = true;
                 this.appOptions.uiRtl = !(Common.Controllers.Desktop.isActive() && Common.Controllers.Desktop.uiRtlSupported()) && !Common.Utils.isIE;
                 this.appOptions.mentionShare = !((typeof (this.appOptions.customization) == 'object') && (this.appOptions.customization.mentionShare==false));
+                this.appOptions.canSaveDocumentToBinary = this.editorConfig.canSaveDocumentToBinary;
                 this.appOptions.user.guest && this.appOptions.canRenameAnonymous && Common.NotificationCenter.on('user:rename', _.bind(this.showRenameUserDialog, this));
 
                 this.appOptions.canRequestClose = this.editorConfig.canRequestClose;
@@ -467,6 +469,7 @@ define([
                     docInfo.put_EncryptedInfo(this.editorConfig.encryptionKeys);
                     docInfo.put_Lang(this.editorConfig.lang);
                     docInfo.put_Mode(this.editorConfig.mode);
+                    docInfo.put_SupportsOnSaveDocument(this.editorConfig.canSaveDocumentToBinary);
 
                     var enable = !this.editorConfig.customization || (this.editorConfig.customization.macros!==false);
                     docInfo.asc_putIsEnabledMacroses(!!enable);
@@ -758,7 +761,7 @@ define([
 
                 if (this.api && this.appOptions.isEdit && !toolbarView._state.previewmode) {
                     var cansave = this.api.asc_isDocumentCanSave(),
-                        forcesave = this.appOptions.forcesave,
+                        forcesave = this.appOptions.forcesave || this.appOptions.canSaveDocumentToBinary,
                         isSyncButton = (toolbarView.btnCollabChanges.rendered) ? toolbarView.btnCollabChanges.cmpEl.hasClass('notify') : false,
                         isDisabled = !cansave && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave || !this.appOptions.isPDFEdit && !this.appOptions.isPDFAnnotate;
                         toolbarView.btnSave.setDisabled(isDisabled && !this.appOptions.saveAlwaysEnabled);
@@ -1506,6 +1509,7 @@ define([
                     /** coauthoring begin **/
                     me.api.asc_registerCallback('asc_onCollaborativeChanges',    _.bind(me.onCollaborativeChanges, me));
                     me.api.asc_registerCallback('asc_OnTryUndoInFastCollaborative',_.bind(me.onTryUndoInFastCollaborative, me));
+                    me.appOptions.canSaveDocumentToBinary && me.api.asc_registerCallback('asc_onSaveDocument',_.bind(me.onSaveDocumentBinary, me));
                     /** coauthoring end **/
 
                     if (me.stackLongActions.exist({id: ApplyEditRights, type: Asc.c_oAscAsyncActionType['BlockInteraction']})) {
@@ -1937,7 +1941,7 @@ define([
                 var toolbarView = this.getApplication().getController('Toolbar').getView();
                 if (toolbarView && toolbarView.btnCollabChanges && !toolbarView._state.previewmode) {
                     var isSyncButton = toolbarView.btnCollabChanges.cmpEl.hasClass('notify'),
-                        forcesave = this.appOptions.forcesave,
+                        forcesave = this.appOptions.forcesave || this.appOptions.canSaveDocumentToBinary,
                         isDisabled = !isModified && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave || !this.appOptions.isPDFEdit && !this.appOptions.isPDFAnnotate;
                         toolbarView.btnSave.setDisabled(isDisabled && !this.appOptions.saveAlwaysEnabled);
                 }
@@ -1954,7 +1958,7 @@ define([
 
                 if (toolbarView && this.api && !toolbarView._state.previewmode) {
                     var isSyncButton = toolbarView.btnCollabChanges.cmpEl.hasClass('notify'),
-                        forcesave = this.appOptions.forcesave,
+                        forcesave = this.appOptions.forcesave || this.appOptions.canSaveDocumentToBinary,
                         isDisabled = !isCanSave && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave || !this.appOptions.isPDFEdit && !this.appOptions.isPDFAnnotate;
                         toolbarView.btnSave.setDisabled(isDisabled && !this.appOptions.saveAlwaysEnabled);
                 }
@@ -2448,6 +2452,14 @@ define([
                 }
             },
 
+            onSaveDocumentBinary: function(data) {
+                Common.Gateway.saveDocument(data);
+            },
+
+            loadBinary: function(data) {
+                data && this.api.asc_openDocumentFromBytes(new Uint8Array(data));
+            },
+
             leavePageText: 'You have unsaved changes in this document. Click \'Stay on this Page\' then \'Save\' to save them. Click \'Leave this Page\' to discard all the unsaved changes.',
             criticalErrorTitle: 'Error',
             notcriticalErrorTitle: 'Warning',
diff --git a/apps/pdfeditor/main/app/controller/Toolbar.js b/apps/pdfeditor/main/app/controller/Toolbar.js
index 78eeec0122..9248e62e59 100644
--- a/apps/pdfeditor/main/app/controller/Toolbar.js
+++ b/apps/pdfeditor/main/app/controller/Toolbar.js
@@ -435,11 +435,11 @@ define([
             } else if (this.api) {
                 // var isModified = this.api.asc_isDocumentCanSave();
                 // var isSyncButton = toolbar.btnCollabChanges && toolbar.btnCollabChanges.cmpEl.hasClass('notify');
-                // if (!isModified && !isSyncButton && !toolbar.mode.forcesave)
+                // if (!isModified && !isSyncButton && !toolbar.mode.forcesave && !toolbar.mode.canSaveDocumentToBinary)
                 //     return;
 
                 this.api.asc_Save();
-                toolbar.btnSave && toolbar.btnSave.setDisabled(!toolbar.mode.forcesave && !toolbar.mode.saveAlwaysEnabled);
+                toolbar.btnSave && toolbar.btnSave.setDisabled(!toolbar.mode.forcesave && !toolbar.mode.saveAlwaysEnabled && !toolbar.mode.canSaveDocumentToBinary);
                 Common.component.Analytics.trackEvent('Save');
                 Common.component.Analytics.trackEvent('ToolBar', 'Save');
             }
diff --git a/apps/pdfeditor/main/app/view/Toolbar.js b/apps/pdfeditor/main/app/view/Toolbar.js
index b0d586e26b..f006de7ada 100644
--- a/apps/pdfeditor/main/app/view/Toolbar.js
+++ b/apps/pdfeditor/main/app/view/Toolbar.js
@@ -815,7 +815,7 @@ define([
                             this.synchTooltip.hide();
                         this.btnCollabChanges.updateHint(this.btnSaveTip);
 
-                        this.btnSave.setDisabled(!me.mode.forcesave || !me.mode.isPDFEdit && !me.mode.isPDFAnnotate && !me.mode.saveAlwaysEnabled);
+                        this.btnSave.setDisabled(!me.mode.forcesave && !me.mode.canSaveDocumentToBinary || !me.mode.isPDFEdit && !me.mode.isPDFAnnotate && !me.mode.saveAlwaysEnabled);
                         this._state.hasCollaborativeChanges = false;
                     }
                 }
diff --git a/apps/presentationeditor/main/app/controller/Main.js b/apps/presentationeditor/main/app/controller/Main.js
index cd2a836501..cc0a20cc64 100644
--- a/apps/presentationeditor/main/app/controller/Main.js
+++ b/apps/presentationeditor/main/app/controller/Main.js
@@ -227,6 +227,7 @@ define([
                     Common.Gateway.on('init',           _.bind(this.loadConfig, this));
                     Common.Gateway.on('showmessage',    _.bind(this.onExternalMessage, this));
                     Common.Gateway.on('opendocument',   _.bind(this.loadDocument, this));
+                    Common.Gateway.on('opendocumentfrombinary', _.bind(this.loadBinary, this));
                     Common.Gateway.on('grabfocus',      _.bind(this.onGrabFocus, this));
                     Common.Gateway.appReady();
 
@@ -411,6 +412,7 @@ define([
                 this.appOptions.canRequestSharingSettings = this.editorConfig.canRequestSharingSettings;
                 this.appOptions.mentionShare = !((typeof (this.appOptions.customization) == 'object') && (this.appOptions.customization.mentionShare==false));
                 this.appOptions.uiRtl = !(Common.Controllers.Desktop.isActive() && Common.Controllers.Desktop.uiRtlSupported()) && !Common.Utils.isIE;
+                this.appOptions.canSaveDocumentToBinary = this.editorConfig.canSaveDocumentToBinary;
                 this.appOptions.user.guest && this.appOptions.canRenameAnonymous && Common.NotificationCenter.on('user:rename', _.bind(this.showRenameUserDialog, this));
 
                 this.appOptions.canRequestClose = this.editorConfig.canRequestClose;
@@ -494,6 +496,7 @@ define([
                     docInfo.put_EncryptedInfo(this.editorConfig.encryptionKeys);
                     docInfo.put_Lang(this.editorConfig.lang);
                     docInfo.put_Mode(this.editorConfig.mode);
+                    docInfo.put_SupportsOnSaveDocument(this.editorConfig.canSaveDocumentToBinary);
 
                     var coEditMode = !(this.editorConfig.coEditing && typeof this.editorConfig.coEditing == 'object') ? 'fast' : // fast by default
                                      this.editorConfig.mode === 'view' && this.editorConfig.coEditing.change!==false ? 'fast' : // if can change mode in viewer - set fast for using live viewer
@@ -662,7 +665,7 @@ define([
                 application.getController('DocumentHolder').getView().focus();
                 if (this.api && this.appOptions.isEdit && this.api.asc_isDocumentCanSave) {
                     var cansave = this.api.asc_isDocumentCanSave(),
-                        forcesave = this.appOptions.forcesave,
+                        forcesave = this.appOptions.forcesave || this.appOptions.canSaveDocumentToBinary,
                         isSyncButton = (toolbarView.btnCollabChanges.rendered) ? toolbarView.btnCollabChanges.cmpEl.hasClass('notify') : false,
                         isDisabled = !cansave && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave;
                         toolbarView.btnSave.setDisabled(isDisabled);
@@ -1486,6 +1489,7 @@ define([
                     me.api.asc_registerCallback('asc_onParticipantsChanged',     _.bind(me.onAuthParticipantsChanged, me));
                     me.api.asc_registerCallback('asc_onConnectionStateChanged',  _.bind(me.onUserConnection, me));
                     me.api.asc_registerCallback('asc_onConvertEquationToMath',  _.bind(me.onConvertEquationToMath, me));
+                    me.appOptions.canSaveDocumentToBinary && me.api.asc_registerCallback('asc_onSaveDocument',_.bind(me.onSaveDocumentBinary, me));
                     /** coauthoring end **/
 
                     if (me.stackLongActions.exist({id: ApplyEditRights, type: Asc.c_oAscAsyncActionType['BlockInteraction']})) {
@@ -1855,7 +1859,7 @@ define([
                 var toolbarView = this.getApplication().getController('Toolbar').getView('Toolbar');
                 if (toolbarView && toolbarView.btnCollabChanges) {
                     var isSyncButton = toolbarView.btnCollabChanges.cmpEl.hasClass('notify'),
-                        forcesave = this.appOptions.forcesave,
+                        forcesave = this.appOptions.forcesave || this.appOptions.canSaveDocumentToBinary,
                         isDisabled = !isModified && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave;
                         toolbarView.btnSave.setDisabled(isDisabled);
                 }
@@ -1864,7 +1868,7 @@ define([
                 var toolbarView = this.getApplication().getController('Toolbar').getView('Toolbar');
                 if ( toolbarView ) {
                     var isSyncButton = toolbarView.btnCollabChanges.cmpEl.hasClass('notify'),
-                        forcesave = this.appOptions.forcesave,
+                        forcesave = this.appOptions.forcesave || this.appOptions.canSaveDocumentToBinary,
                         isDisabled = !isCanSave && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave;
                         toolbarView.btnSave.setDisabled(isDisabled);
                 }
@@ -2850,6 +2854,14 @@ define([
                     this._renameDialog.show();
             },
 
+            onSaveDocumentBinary: function(data) {
+                Common.Gateway.saveDocument(data);
+            },
+
+            loadBinary: function(data) {
+                data && this.api.asc_openDocumentFromBytes(new Uint8Array(data));
+            },
+
             // Translation
             leavePageText: 'You have unsaved changes in this document. Click \'Stay on this Page\' then \'Save\' to save them. Click \'Leave this Page\' to discard all the unsaved changes.',
             criticalErrorTitle: 'Error',
diff --git a/apps/presentationeditor/main/app/controller/Toolbar.js b/apps/presentationeditor/main/app/controller/Toolbar.js
index b6de3a4dca..526e2061be 100644
--- a/apps/presentationeditor/main/app/controller/Toolbar.js
+++ b/apps/presentationeditor/main/app/controller/Toolbar.js
@@ -1155,13 +1155,13 @@ define([
             if (this.api && this.api.asc_isDocumentCanSave) {
                 var isModified = this.api.asc_isDocumentCanSave();
                 var isSyncButton = toolbar.btnCollabChanges && toolbar.btnCollabChanges.cmpEl.hasClass('notify');
-                if (!isModified && !isSyncButton && !this.toolbar.mode.forcesave)
+                if (!isModified && !isSyncButton && !this.toolbar.mode.forcesave && !toolbar.mode.canSaveDocumentToBinary)
                     return;
 
                 this.api.asc_Save();
             }
 
-            toolbar.btnSave.setDisabled(!toolbar.mode.forcesave);
+            toolbar.btnSave.setDisabled(!toolbar.mode.forcesave && !toolbar.mode.canSaveDocumentToBinary);
 
             Common.NotificationCenter.trigger('edit:complete', this.toolbar);
             Common.component.Analytics.trackEvent('Save');
diff --git a/apps/presentationeditor/main/app/view/Toolbar.js b/apps/presentationeditor/main/app/view/Toolbar.js
index 2c4c245934..27622a0c50 100644
--- a/apps/presentationeditor/main/app/view/Toolbar.js
+++ b/apps/presentationeditor/main/app/view/Toolbar.js
@@ -1974,7 +1974,7 @@ define([
                         if (this.synchTooltip)
                             this.synchTooltip.hide();
                         this.btnCollabChanges.updateHint(this.btnSaveTip);
-                        this.btnSave.setDisabled(!me.mode.forcesave);
+                        this.btnSave.setDisabled(!me.mode.forcesave && !me.mode.canSaveDocumentToBinary);
 
                         this._state.hasCollaborativeChanges = false;
                     }
diff --git a/apps/spreadsheeteditor/main/app/controller/Main.js b/apps/spreadsheeteditor/main/app/controller/Main.js
index 86fde891de..041cbdd066 100644
--- a/apps/spreadsheeteditor/main/app/controller/Main.js
+++ b/apps/spreadsheeteditor/main/app/controller/Main.js
@@ -264,6 +264,7 @@ define([
                 Common.Gateway.on('init', _.bind(this.loadConfig, this));
                 Common.Gateway.on('showmessage', _.bind(this.onExternalMessage, this));
                 Common.Gateway.on('opendocument', _.bind(this.loadDocument, this));
+                Common.Gateway.on('opendocumentfrombinary', _.bind(this.loadBinary, this));
                 Common.Gateway.on('internalcommand', _.bind(this.onInternalCommand, this));
                 Common.Gateway.on('grabfocus',      _.bind(this.onGrabFocus, this));
                 Common.Gateway.appReady();
@@ -466,6 +467,7 @@ define([
                 this.appOptions.canRequestReferenceData = this.editorConfig.canRequestReferenceData;
                 this.appOptions.canRequestOpen = this.editorConfig.canRequestOpen;
                 this.appOptions.canRequestReferenceSource = this.editorConfig.canRequestReferenceSource;
+                this.appOptions.canSaveDocumentToBinary = this.editorConfig.canSaveDocumentToBinary;
                 if (this.appOptions.user.guest && this.appOptions.canRenameAnonymous && !this.appOptions.isEditDiagram && !this.appOptions.isEditMailMerge && !this.appOptions.isEditOle)
                     Common.NotificationCenter.on('user:rename', _.bind(this.showRenameUserDialog, this));
 
@@ -577,6 +579,7 @@ define([
                     docInfo.put_Lang(this.editorConfig.lang);
                     docInfo.put_Mode(this.editorConfig.mode);
                     docInfo.put_ReferenceData(data.doc.referenceData);
+                    docInfo.put_SupportsOnSaveDocument(this.editorConfig.canSaveDocumentToBinary);
 
                     var coEditMode = !(this.editorConfig.coEditing && typeof this.editorConfig.coEditing == 'object') ? 'fast' : // fast by default
                                      this.editorConfig.mode === 'view' && this.editorConfig.coEditing.change!==false ? 'fast' : // if can change mode in viewer - set fast for using live viewer
@@ -1635,6 +1638,7 @@ define([
                     me.api.asc_registerCallback('asc_onParticipantsChanged',     _.bind(me.onAuthParticipantsChanged, me));
                     me.api.asc_registerCallback('asc_onConnectionStateChanged',  _.bind(me.onUserConnection, me));
                     me.api.asc_registerCallback('asc_onConvertEquationToMath',   _.bind(me.onConvertEquationToMath, me));
+                    me.appOptions.canSaveDocumentToBinary && me.api.asc_registerCallback('asc_onSaveDocument',_.bind(me.onSaveDocumentBinary, me));
                     /** coauthoring end **/
                     if (me.appOptions.isEditDiagram)
                         me.api.asc_registerCallback('asc_onSelectionChanged',        _.bind(me.onSelectionChanged, me));
@@ -2287,7 +2291,7 @@ define([
                 
                 if (this.toolbarView && this.toolbarView.btnCollabChanges && this.api) {
                     var isSyncButton = this.toolbarView.btnCollabChanges.cmpEl.hasClass('notify'),
-                        forcesave = this.appOptions.forcesave,
+                        forcesave = this.appOptions.forcesave || this.appOptions.canSaveDocumentToBinary,
                         cansave = this.api.asc_isDocumentCanSave(),
                         isDisabled = !cansave && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave;
                         this.toolbarView.btnSave.setDisabled(isDisabled);
@@ -2297,7 +2301,7 @@ define([
             onDocumentCanSaveChanged: function (isCanSave) {
                 if (this.toolbarView && this.toolbarView.btnCollabChanges) {
                     var isSyncButton = this.toolbarView.btnCollabChanges.cmpEl.hasClass('notify'),
-                        forcesave = this.appOptions.forcesave,
+                        forcesave = this.appOptions.forcesave || this.appOptions.canSaveDocumentToBinary,
                         isDisabled = !isCanSave && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave;
                     this.toolbarView.btnSave.setDisabled(isDisabled);
                 }
@@ -3490,6 +3494,14 @@ define([
                 })
             },
 
+            onSaveDocumentBinary: function(data) {
+                Common.Gateway.saveDocument(data);
+            },
+
+            loadBinary: function(data) {
+                data && this.api.asc_openDocumentFromBytes(new Uint8Array(data));
+            },
+
             leavePageText: 'You have unsaved changes in this document. Click \'Stay on this Page\' then \'Save\' to save them. Click \'Leave this Page\' to discard all the unsaved changes.',
             criticalErrorTitle: 'Error',
             notcriticalErrorTitle: 'Warning',
diff --git a/apps/spreadsheeteditor/main/app/controller/Toolbar.js b/apps/spreadsheeteditor/main/app/controller/Toolbar.js
index 3dc882aae2..aaac71e6eb 100644
--- a/apps/spreadsheeteditor/main/app/controller/Toolbar.js
+++ b/apps/spreadsheeteditor/main/app/controller/Toolbar.js
@@ -585,7 +585,7 @@ define([
             if (this.api) {
                 var isModified = this.api.asc_isDocumentCanSave();
                 var isSyncButton = this.toolbar.btnCollabChanges && this.toolbar.btnCollabChanges.cmpEl.hasClass('notify');
-                if (!isModified && !isSyncButton && !this.toolbar.mode.forcesave)
+                if (!isModified && !isSyncButton && !this.toolbar.mode.forcesave && !this.toolbar.mode.canSaveDocumentToBinary)
                     return;
 
                 this.api.asc_Save();
diff --git a/apps/spreadsheeteditor/main/app/view/Toolbar.js b/apps/spreadsheeteditor/main/app/view/Toolbar.js
index 1bc3cceaad..2fcf3e8160 100644
--- a/apps/spreadsheeteditor/main/app/view/Toolbar.js
+++ b/apps/spreadsheeteditor/main/app/view/Toolbar.js
@@ -3239,7 +3239,7 @@ define([
                     if (this.synchTooltip)
                         this.synchTooltip.hide();
                     this.btnCollabChanges.updateHint(this.btnSaveTip);
-                    this.btnSave.setDisabled(!me.mode.forcesave);
+                    this.btnSave.setDisabled(!me.mode.forcesave && !me.mode.canSaveDocumentToBinary);
 
                     this._state.hasCollaborativeChanges = false;
                 }