diff --git a/apps/api/documents/api.js b/apps/api/documents/api.js
index ad2263ec66..a0a9917949 100644
--- a/apps/api/documents/api.js
+++ b/apps/api/documents/api.js
@@ -105,15 +105,16 @@
                         url: 'http://...',
                         text: 'Go to London'
                     },
-                    chat: false,
-                    comments: false,
+                    chat: true,
+                    comments: true,
                     zoom: 100,
                     compactToolbar: false,
                     leftMenu: true,
                     rightMenu: true,
                     toolbar: true,
                     header: true,
-                    autosave: true
+                    autosave: true,
+                    forcesave: false
                 },
                 plugins: {
                     autoStartGuid: 'asc.{FFE1F462-1EA2-4391-990D-4CC84940B754}',
diff --git a/apps/documenteditor/main/app/controller/Main.js b/apps/documenteditor/main/app/controller/Main.js
index 70734511fc..de2841c5e8 100644
--- a/apps/documenteditor/main/app/controller/Main.js
+++ b/apps/documenteditor/main/app/controller/Main.js
@@ -541,10 +541,13 @@ define([
                 application.getController('DocumentHolder').getView().focus();
 
                 if (this.api) {
-                    var cansave = this.api.asc_isDocumentCanSave();
+                    var cansave = this.api.asc_isDocumentCanSave(),
+                        forcesave = this.appOptions.forcesave;
                     var isSyncButton = $('.btn-icon', toolbarView.btnSave.cmpEl).hasClass('btn-synch');
                     if (toolbarView.btnSave.isDisabled() !== (!cansave && !isSyncButton || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1))
                         toolbarView.btnSave.setDisabled(!cansave && !isSyncButton || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1);
+                    if (toolbarView.btnSave.isDisabled() !== (!cansave && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave))
+                        toolbarView.btnSave.setDisabled(!cansave && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave);
                 }
             },
 
@@ -569,29 +572,23 @@ define([
                 if (action) {
                     this.setLongActionView(action)
                 } else {
-                    if ( id==Asc.c_oAscAsyncAction.Save ) {
-                        var me = this;
-                        if ( me._state.fastCoauth && me._state.usersCount > 1 ) {
-                            if ( !me._state.timerSave &&
-                                        Date.now() - me._state.isSaving < 500 )
-                            {
-                                me._state.timerSave = setTimeout(function () {
-                                    me.getApplication().getController('Viewport').getView('Common.Views.Header').setSaveStatus('end');
-                                    delete me._state.timerSave;
-                                }, 500);
-                            }
-                        } else {
-                            me.getApplication().getController('Viewport').getView('Common.Views.Header').setSaveStatus('end');
-                        }
-                    } else {
+                    if (id==Asc.c_oAscAsyncAction['Save'] || id==Asc.c_oAscAsyncAction['ForceSaveButton']) {
+                        if (this._state.fastCoauth && this._state.usersCount>1) {
+                            var me = this;
+                            me._state.timerSave = setTimeout(function () {
+                                me.getApplication().getController('Viewport').getView('Common.Views.Header').setSaveStatus('end');
+                                delete me._state.timerSave;
+                            }, 500);
+                        } else
+                            this.getApplication().getController('Viewport').getView('Common.Views.Header').setSaveStatus('end');
+                    } else
                         this.getApplication().getController('Statusbar').setStatusCaption('');
-                    }
                 }
 
                 action = this.stackLongActions.get({type: Asc.c_oAscAsyncActionType.BlockInteraction});
                 action ? this.setLongActionView(action) : this.loadMask && this.loadMask.hide();
 
-                if (id==Asc.c_oAscAsyncAction['Save'] && (!this._state.fastCoauth || this._state.usersCount<2))
+                if ((id==Asc.c_oAscAsyncAction['Save'] || id==Asc.c_oAscAsyncAction['ForceSaveButton']) && (!this._state.fastCoauth || this._state.usersCount<2))
                     this.synchronizeChanges();
 
                 if ( type == Asc.c_oAscAsyncActionType.BlockInteraction &&
@@ -603,7 +600,7 @@ define([
             },
 
             setLongActionView: function(action) {
-                var title = '', text = '';
+                var title = '', text = '', force = false;
 
                 switch (action.id) {
                     case Asc.c_oAscAsyncAction['Open']:
@@ -612,7 +609,9 @@ define([
                         break;
 
                     case Asc.c_oAscAsyncAction['Save']:
-                        this._state.isSaving = Date.now();
+                    case Asc.c_oAscAsyncAction['ForceSaveButton']:
+                        clearTimeout(this._state.timerSave);
+                        force = true;
                         // title   = this.saveTitleText;
                         // text    = this.saveTextText;
                         break;
@@ -697,7 +696,7 @@ define([
                     if (!this.isShowOpenDialog)
                         this.loadMask.show();
                 } else
-                if ( action.id == Asc.c_oAscAsyncAction.Save ) {
+                if ( action.id == Asc.c_oAscAsyncAction.Save || action.id == Asc.c_oAscAsyncAction['ForceSaveButton']) {
                     this.getApplication().getController('Viewport').getView('Common.Views.Header').setSaveStatus('begin');
                 } else {
                     this.getApplication().getController('Statusbar').setStatusCaption(text);
@@ -894,6 +893,12 @@ define([
 
                     me.api.asc_setAutoSaveGap(value);
 
+                    if (me.appOptions.canForcesave) {// use asc_setIsForceSaveOnUserSave only when customization->forcesave = true
+                        value = Common.localStorage.getItem("de-settings-forcesave");
+                        me.appOptions.forcesave = (value===null) ? me.appOptions.canForcesave : (parseInt(value)==1);
+                        me.api.asc_setIsForceSaveOnUserSave(me.appOptions.forcesave);
+                    }
+
                     if (me.needToUpdateVersion)
                         Common.NotificationCenter.trigger('api:disconnect');
                     var timer_sl = setInterval(function(){
@@ -1017,6 +1022,8 @@ define([
                 this.appOptions.canPrint       = (this.permissions.print !== false);
                 this.appOptions.canRename      = !!this.permissions.rename;
                 this.appOptions.buildVersion   = params.asc_getBuildVersion();
+                this.appOptions.canForcesave   = this.appOptions.isEdit && !this.appOptions.isOffline && (typeof (this.editorConfig.customization) == 'object' && !!this.editorConfig.customization.forcesave);
+                this.appOptions.forcesave      = this.appOptions.canForcesave;
 
                 if ( this.appOptions.isLightVersion ) {
                     this.appOptions.canUseHistory =
@@ -1418,9 +1425,11 @@ define([
                     if (window.document.title != title)
                         window.document.title = title;
 
-                    if (!this._state.fastCoauth || this._state.usersCount<2 )
+                    if (!this._state.fastCoauth || this._state.usersCount<2 ) {
                         Common.Gateway.setDocumentModified(isModified);
-                    else if ( this._state.startModifyDocument!==undefined && this._state.startModifyDocument === isModified){
+                        if (isModified)
+                            this.getApplication().getController('Statusbar').setStatusCaption('', true);
+                    } else if ( this._state.startModifyDocument!==undefined && this._state.startModifyDocument === isModified){
                         Common.Gateway.setDocumentModified(isModified);
                         this._state.startModifyDocument = (this._state.startModifyDocument) ? !this._state.startModifyDocument : undefined;
                     }
@@ -1445,9 +1454,10 @@ define([
                 var toolbarView = this.getApplication().getController('Toolbar').getView('Toolbar');
 
                 if (toolbarView) {
-                    var isSyncButton = $('.btn-icon', toolbarView.btnSave.cmpEl).hasClass('btn-synch');
-                    if (toolbarView.btnSave.isDisabled() !== (!isModified && !isSyncButton || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1))
-                        toolbarView.btnSave.setDisabled(!isModified && !isSyncButton || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1);
+                    var isSyncButton = $('.btn-icon', toolbarView.btnSave.cmpEl).hasClass('btn-synch'),
+                        forcesave = this.appOptions.forcesave;
+                    if (toolbarView.btnSave.isDisabled() !== (!isModified && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave))
+                        toolbarView.btnSave.setDisabled(!isModified && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave);
                 }
 
                 /** coauthoring begin **/
@@ -1462,9 +1472,10 @@ define([
                     toolbarView = toolbarController.getView('Toolbar');
 
                 if (toolbarView && this.api) {
-                    var isSyncButton = $('.btn-icon', toolbarView.btnSave.cmpEl).hasClass('btn-synch');
-                    if (toolbarView.btnSave.isDisabled() !== (!isCanSave && !isSyncButton || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1))
-                        toolbarView.btnSave.setDisabled(!isCanSave && !isSyncButton || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1);
+                    var isSyncButton = $('.btn-icon', toolbarView.btnSave.cmpEl).hasClass('btn-synch'),
+                        forcesave = this.appOptions.forcesave;
+                    if (toolbarView.btnSave.isDisabled() !== (!isCanSave && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave))
+                        toolbarView.btnSave.setDisabled(!isCanSave && !isSyncButton && !forcesave || this._state.isDisconnected || this._state.fastCoauth && this._state.usersCount>1 && !forcesave);
                 }
             },
 
@@ -1578,7 +1589,7 @@ define([
                 if (this._state.hasCollaborativeChanges) return;
                 this._state.hasCollaborativeChanges = true;
                 if (this.appOptions.isEdit)
-                    this.getApplication().getController('Statusbar').setStatusCaption(this.txtNeedSynchronize);
+                    this.getApplication().getController('Statusbar').setStatusCaption(this.txtNeedSynchronize, true);
             },
             /** coauthoring end **/
 
@@ -1830,6 +1841,11 @@ define([
                     if (this._state.fastCoauth && !oldval)
                         this.synchronizeChanges();
                 }
+                if (this.appOptions.canForcesave) {
+                    value = Common.localStorage.getItem("de-settings-forcesave");
+                    this.appOptions.forcesave = (value===null) ? this.appOptions.canForcesave : (parseInt(value)==1);
+                    this.api.asc_setIsForceSaveOnUserSave(this.appOptions.forcesave);
+                }
             },
 
             onDocumentName: function(name) {
@@ -2129,7 +2145,8 @@ define([
             errorSessionToken: 'The connection to the server has been interrupted. Please reload the page.',
             errorAccessDeny: 'You are trying to perform an action you do not have rights for.<br>Please contact your Document Server administrator.',
             titleServerVersion: 'Editor updated',
-            errorServerVersion: 'The editor version has been updated. The page will be reloaded to apply the changes.'
+            errorServerVersion: 'The editor version has been updated. The page will be reloaded to apply the changes.',
+            textChangesSaved: 'All changes saved'
         }
     })(), DE.Controllers.Main || {}))
 });
\ No newline at end of file
diff --git a/apps/documenteditor/main/app/controller/Statusbar.js b/apps/documenteditor/main/app/controller/Statusbar.js
index 154b953be8..e7ba727693 100644
--- a/apps/documenteditor/main/app/controller/Statusbar.js
+++ b/apps/documenteditor/main/app/controller/Statusbar.js
@@ -216,9 +216,16 @@ define([
             this.statusbar.reloadLanguages(langs);
         },
 
-        setStatusCaption: function(text) {
-            if (text.length)
-                this.statusbar.showStatusMessage(text); else
+        setStatusCaption: function(text, force, delay) {
+            if (this.timerCaption && ( ((new Date()) < this.timerCaption) || text.length==0 ) && !force )
+                return;
+
+            this.timerCaption = undefined;
+            if (text.length) {
+                this.statusbar.showStatusMessage(text);
+                if (delay>0)
+                    this.timerCaption = (new Date()).getTime() + delay;
+            } else
                 this.statusbar.clearStatusMessage();
         },
 
diff --git a/apps/documenteditor/main/app/controller/Toolbar.js b/apps/documenteditor/main/app/controller/Toolbar.js
index 90be43926e..ead77a5b94 100644
--- a/apps/documenteditor/main/app/controller/Toolbar.js
+++ b/apps/documenteditor/main/app/controller/Toolbar.js
@@ -850,13 +850,13 @@ define([
             if (this.api) {
                 var isModified = this.api.asc_isDocumentCanSave();
                 var isSyncButton = $('.btn-icon', this.toolbar.btnSave.cmpEl).hasClass('btn-synch');
-                if (!isModified && !isSyncButton)
+                if (!isModified && !isSyncButton && !this.toolbar.mode.forcesave)
                     return;
 
                 this.api.asc_Save();
             }
 
-            this.toolbar.btnSave.setDisabled(true);
+            this.toolbar.btnSave.setDisabled(!this.toolbar.mode.forcesave);
 
             Common.NotificationCenter.trigger('edit:complete', this.toolbar);
 
diff --git a/apps/documenteditor/main/app/view/FileMenuPanels.js b/apps/documenteditor/main/app/view/FileMenuPanels.js
index 2cfc3d83f5..a71cfe262d 100644
--- a/apps/documenteditor/main/app/view/FileMenuPanels.js
+++ b/apps/documenteditor/main/app/view/FileMenuPanels.js
@@ -132,6 +132,10 @@ define([
                     '<td class="left"><label id="fms-lbl-autosave"><%= scope.textAutoSave %></label></td>',
                     '<td class="right"><span id="fms-chb-autosave" /></td>',
                 '</tr>','<tr class="divider autosave"></tr>',
+                '<tr class="forcesave">',
+                    '<td class="left"><label id="fms-lbl-forcesave"><%= scope.textForceSave %></label></td>',
+                    '<td class="right"><span id="fms-chb-forcesave" /></td>',
+                '</tr>','<tr class="divider forcesave"></tr>',
                 /** coauthoring begin **/
                 '<tr class="coauth changes">',
                     '<td class="left"><label><%= scope.strCoAuthMode %></label></td>',
@@ -199,7 +203,12 @@ define([
                 }
             }, this));
             this.lblAutosave = $('#fms-lbl-autosave');
-            
+
+            this.chForcesave = new Common.UI.CheckBox({
+                el: $('#fms-chb-forcesave'),
+                labelText: this.strForcesave
+            });
+
             this.chAlignGuides = new Common.UI.CheckBox({
                 el: $('#fms-chb-align-guides'),
                 labelText: this.strAlignGuides
@@ -309,6 +318,7 @@ define([
             this.mode = mode;
             $('tr.edit', this.el)[mode.isEdit?'show':'hide']();
             $('tr.autosave', this.el)[mode.isEdit ? 'show' : 'hide']();
+            $('tr.forcesave', this.el)[mode.canForcesave ? 'show' : 'hide']();
             if (this.mode.isDesktopApp && this.mode.isOffline) {
                 this.chAutosave.setCaption(this.strAutoRecover);
                 this.lblAutosave.text(this.textAutoRecover);
@@ -363,6 +373,12 @@ define([
                 value = 0;
             this.chAutosave.setValue(fast_coauth || (value===null ? this.mode.canCoAuthoring : parseInt(value) == 1));
 
+            if (this.mode.canForcesave) {
+                value = Common.localStorage.getItem("de-settings-forcesave");
+                value = (value === null) ? this.mode.canForcesave : (parseInt(value) == 1);
+                this.chForcesave.setValue(value);
+            }
+
             value = Common.localStorage.getItem("de-settings-spellcheck");
             this.chSpell.setValue(value===null || parseInt(value) == 1);
 
@@ -383,6 +399,8 @@ define([
             Common.localStorage.setItem("de-settings-fontrender", this.cmbFontRender.getValue());
             Common.localStorage.setItem("de-settings-unit", this.cmbUnit.getValue());
             Common.localStorage.setItem("de-settings-autosave", this.chAutosave.isChecked() ? 1 : 0);
+            if (this.mode.canForcesave)
+                Common.localStorage.setItem("de-settings-forcesave", this.chForcesave.isChecked() ? 1 : 0);
             Common.localStorage.setItem("de-settings-spellcheck", this.chSpell.isChecked() ? 1 : 0);
             Common.localStorage.setItem("de-settings-showsnaplines", this.chAlignGuides.isChecked() ? 1 : 0);
             Common.localStorage.save();
@@ -443,7 +461,9 @@ define([
         strAutoRecover: 'Turn on autorecover',
         txtInch: 'Inch',
         txtFitPage: 'Fit to Page',
-        txtFitWidth: 'Fit to Width'
+        txtFitWidth: 'Fit to Width',
+        textForceSave: 'Save to Server',
+        strForcesave: 'Always save to server (otherwise save to server on document close)'
     }, DE.Views.FileMenuPanels.Settings || {}));
 
     DE.Views.FileMenuPanels.RecentFiles = Common.UI.BaseView.extend({
diff --git a/apps/documenteditor/main/app/view/Toolbar.js b/apps/documenteditor/main/app/view/Toolbar.js
index ec1c318d11..e88800f52c 100644
--- a/apps/documenteditor/main/app/view/Toolbar.js
+++ b/apps/documenteditor/main/app/view/Toolbar.js
@@ -2374,7 +2374,7 @@ define([
                         if (this.synchTooltip)
                             this.synchTooltip.hide();
                         this.btnSave.updateHint(this.btnSaveTip);
-                        this.btnSave.setDisabled(true);
+                        this.btnSave.setDisabled(!this.mode.forcesave);
                         this._state.hasCollaborativeChanges = false;
                     }
                 }
diff --git a/apps/documenteditor/main/locale/en.json b/apps/documenteditor/main/locale/en.json
index 5b83871eb4..2a0bc4ccc2 100644
--- a/apps/documenteditor/main/locale/en.json
+++ b/apps/documenteditor/main/locale/en.json
@@ -317,6 +317,7 @@
   "DE.Controllers.Main.warnProcessRightsChange": "You have been denied the right to edit the file.",
   "DE.Controllers.Main.titleServerVersion": "Editor updated",
   "DE.Controllers.Main.errorServerVersion": "The editor version has been updated. The page will be reloaded to apply the changes.",
+  "DE.Controllers.Main.textChangesSaved": "All changes saved",
   "DE.Controllers.Statusbar.textHasChanges": "New changes have been tracked",
   "DE.Controllers.Statusbar.textTrackChanges": "The document is opened with the Track Changes mode enabled",
   "DE.Controllers.Statusbar.zoomText": "Zoom {0}%",
@@ -971,6 +972,8 @@
   "DE.Views.FileMenuPanels.Settings.txtPt": "Point",
   "DE.Views.FileMenuPanels.Settings.txtSpellCheck": "Spell Checking",
   "DE.Views.FileMenuPanels.Settings.txtWin": "as Windows",
+  "DE.Views.FileMenuPanels.Settings.textForceSave": "Save to Server",
+  "DE.Views.FileMenuPanels.Settings.strForcesave": "Always save to server (otherwise save to server on document close)",
   "DE.Views.HeaderFooterSettings.textBottomCenter": "Bottom Center",
   "DE.Views.HeaderFooterSettings.textBottomLeft": "Bottom Left",
   "DE.Views.HeaderFooterSettings.textBottomRight": "Bottom Right",