diff --git a/apps/common/main/lib/component/Mixtbar.js b/apps/common/main/lib/component/Mixtbar.js
index 44fc291ab..a1d5188d5 100644
--- a/apps/common/main/lib/component/Mixtbar.js
+++ b/apps/common/main/lib/component/Mixtbar.js
@@ -100,7 +100,7 @@ define([
                                 '<li class="ribtab' +
                                         '<% if (items[i].haspanel===false) print(" x-lone") %>' +
                                         '<% if (items[i].extcls) print(\' \' + items[i].extcls) %>">' +
-                                    '<a data-tab="<%= items[i].action %>" data-title="<%= items[i].caption %>" data-hint="0" data-hint-direction="bottom" data-hint-offset="small"><%= items[i].caption %></a>' +
+                                    '<a data-tab="<%= items[i].action %>" data-title="<%= items[i].caption %>" data-hint="0" data-hint-direction="bottom" data-hint-offset="small" <% if (typeof items[i].dataHintTitle !== "undefined") { %> data-hint-title="<%= items[i].dataHintTitle %>" <% } %>><%= items[i].caption %></a>' +
                                 '</li>' +
                                 '<% } %>' +
                             '<% } %>' +
@@ -316,7 +316,7 @@ define([
                     return config.tabs[index].action;
                 }
 
-                var _tabTemplate = _.template('<li class="ribtab" style="display: none;"><a data-tab="<%= action %>" data-title="<%= caption %>" data-hint="0" data-hint-direction="bottom" data-hint-offset="small"><%= caption %></a></li>');
+                var _tabTemplate = _.template('<li class="ribtab" style="display: none;"><a data-tab="<%= action %>" data-title="<%= caption %>" data-hint="0" data-hint-direction="bottom" data-hint-offset="small" <% if (typeof dataHintTitle !== "undefined") { %> data-hint-title="<%= dataHintTitle %>" <% } %> ><%= caption %></a></li>');
 
                 config.tabs[after + 1] = tab;
                 var _after_action = _get_tab_action(after);
diff --git a/apps/common/main/lib/controller/Plugins.js b/apps/common/main/lib/controller/Plugins.js
index 1513fc2cd..d8dd5a909 100644
--- a/apps/common/main/lib/controller/Plugins.js
+++ b/apps/common/main/lib/controller/Plugins.js
@@ -63,7 +63,7 @@ define([
                         var appOptions = me.getApplication().getController('Main').appOptions;
 
                         if ( !appOptions.isEditMailMerge && !appOptions.isEditDiagram ) {
-                            var tab = {action: 'plugins', caption: me.panelPlugins.groupCaption};
+                            var tab = {action: 'plugins', caption: me.panelPlugins.groupCaption, dataHintTitle: 'E'};
                             me.$toolbarPanelPlugins = me.panelPlugins.getPanel();
 
                             toolbar.addTab(tab, me.$toolbarPanelPlugins, 10);     // TODO: clear plugins list in left panel
diff --git a/apps/common/main/lib/view/Header.js b/apps/common/main/lib/view/Header.js
index 62f41c7e8..d14a04d90 100644
--- a/apps/common/main/lib/view/Header.js
+++ b/apps/common/main/lib/view/Header.js
@@ -470,14 +470,15 @@ define([
             getPanel: function (role, config) {
                 var me = this;
 
-                function createTitleButton(iconid, slot, disabled, hintDirection, hintOffset) {
+                function createTitleButton(iconid, slot, disabled, hintDirection, hintOffset, hintTitle) {
                     return (new Common.UI.Button({
                         cls: 'btn-header',
                         iconCls: iconid,
                         disabled: disabled === true,
                         dataHint:'0',
                         dataHintDirection: hintDirection ? hintDirection : 'left',
-                        dataHintOffset: hintOffset ? hintOffset : '10, 10'
+                        dataHintOffset: hintOffset ? hintOffset : '10, 10',
+                        dataHintTitle: hintTitle
                     })).render(slot);
                 }
 
@@ -532,7 +533,7 @@ define([
                             this.btnDownload = createTitleButton('toolbar__icon icon--inverse btn-download', $html.findById('#slot-hbtn-download'), undefined, 'bottom', 'big');
 
                         if ( config.canPrint )
-                            this.btnPrint = createTitleButton('toolbar__icon icon--inverse btn-print', $html.findById('#slot-hbtn-print'), undefined, 'bottom', 'big');
+                            this.btnPrint = createTitleButton('toolbar__icon icon--inverse btn-print', $html.findById('#slot-hbtn-print'), undefined, 'bottom', 'big', 'P');
 
                         if ( config.canEdit && config.canRequestEditRights )
                             this.btnEdit = createTitleButton('toolbar__icon icon--inverse btn-edit', $html.findById('#slot-hbtn-edit'), undefined, 'bottom', 'big');
@@ -541,7 +542,7 @@ define([
 
                     if (!config.isEdit || config.customization && !!config.customization.compactHeader) {
                         if (config.user.guest && config.canRenameAnonymous)
-                            me.btnUserName = createTitleButton('toolbar__icon icon--inverse btn-user', $html.findById('#slot-btn-user-name'), undefined, 'bottom', 'big');
+                            me.btnUserName = createTitleButton('toolbar__icon icon--inverse btn-user', $html.findById('#slot-btn-user-name'), undefined, 'bottom', 'big' );
                         else {
                             me.elUserName = $html.find('.btn-current-user');
                             me.elUserName.removeClass('hidden');
@@ -567,12 +568,12 @@ define([
                     me.setUserName(me.options.userName);
 
                     if ( config.canPrint && config.isEdit ) {
-                        me.btnPrint = createTitleButton('toolbar__icon icon--inverse btn-print', $html.findById('#slot-btn-dt-print'), true);
+                        me.btnPrint = createTitleButton('toolbar__icon icon--inverse btn-print', $html.findById('#slot-btn-dt-print'), true, undefined, undefined, 'P');
                     }
 
-                    me.btnSave = createTitleButton('toolbar__icon icon--inverse btn-save', $html.findById('#slot-btn-dt-save'), true);
-                    me.btnUndo = createTitleButton('toolbar__icon icon--inverse btn-undo', $html.findById('#slot-btn-dt-undo'), true);
-                    me.btnRedo = createTitleButton('toolbar__icon icon--inverse btn-redo', $html.findById('#slot-btn-dt-redo'), true);
+                    me.btnSave = createTitleButton('toolbar__icon icon--inverse btn-save', $html.findById('#slot-btn-dt-save'), true, undefined, undefined, 'S');
+                    me.btnUndo = createTitleButton('toolbar__icon icon--inverse btn-undo', $html.findById('#slot-btn-dt-undo'), true, undefined, undefined, 'Z');
+                    me.btnRedo = createTitleButton('toolbar__icon icon--inverse btn-redo', $html.findById('#slot-btn-dt-redo'), true, undefined, undefined, 'Y');
 
                     if ( me.btnSave.$icon.is('svg') ) {
                         me.btnSave.$icon.addClass('icon-save btn-save');
diff --git a/apps/documenteditor/main/app/controller/Toolbar.js b/apps/documenteditor/main/app/controller/Toolbar.js
index 07ccd796f..ae5dea3a8 100644
--- a/apps/documenteditor/main/app/controller/Toolbar.js
+++ b/apps/documenteditor/main/app/controller/Toolbar.js
@@ -3178,7 +3178,7 @@ define([
 
             me.toolbar.render(_.extend({isCompactView: compactview}, config));
 
-            var tab = {action: 'review', caption: me.toolbar.textTabCollaboration};
+            var tab = {action: 'review', caption: me.toolbar.textTabCollaboration, dataHintTitle: 'U'};
             var $panel = me.application.getController('Common.Controllers.ReviewChanges').createToolbarPanel();
             if ( $panel ) {
                 me.toolbar.addTab(tab, $panel, 5);
@@ -3204,7 +3204,7 @@ define([
 
                 if ( config.isDesktopApp ) {
                     if ( config.canProtect ) {
-                        tab = {action: 'protect', caption: me.toolbar.textTabProtect};
+                        tab = {action: 'protect', caption: me.toolbar.textTabProtect, dataHintTitle: 'T'};
                         $panel = me.getApplication().getController('Common.Controllers.Protection').createToolbarPanel();
 
                         if ($panel) me.toolbar.addTab(tab, $panel, 6);
@@ -3217,7 +3217,7 @@ define([
             }
             if ( config.isEdit && config.canFeatureContentControl || config.isRestrictedEdit && config.canFillForms ) {
                 if (config.canFeatureForms) {
-                    tab = {caption: me.textTabForms, action: 'forms'};
+                    tab = {caption: me.textTabForms, action: 'forms', dataHintTitle: 'M'};
                     var forms = me.getApplication().getController('FormsTab');
                     forms.setApi(me.api).setConfig({toolbar: me, config: config});
                     $panel = forms.createToolbarPanel();
diff --git a/apps/documenteditor/main/app/view/Toolbar.js b/apps/documenteditor/main/app/view/Toolbar.js
index 27297de15..758ceccb2 100644
--- a/apps/documenteditor/main/app/view/Toolbar.js
+++ b/apps/documenteditor/main/app/view/Toolbar.js
@@ -109,11 +109,11 @@ define([
                     Common.UI.Mixtbar.prototype.initialize.call(this, {
                             template: _.template(template),
                             tabs: [
-                                {caption: me.textTabFile, action: 'file', extcls: 'canedit', haspanel:false},
-                                {caption: me.textTabHome, action: 'home', extcls: 'canedit'},
-                                {caption: me.textTabInsert, action: 'ins', extcls: 'canedit'},
-                                {caption: me.textTabLayout, action: 'layout', extcls: 'canedit'},
-                                {caption: me.textTabLinks, action: 'links', extcls: 'canedit'}
+                                {caption: me.textTabFile, action: 'file', extcls: 'canedit', haspanel:false, dataHintTitle: 'F'},
+                                {caption: me.textTabHome, action: 'home', extcls: 'canedit', dataHintTitle: 'H'},
+                                {caption: me.textTabInsert, action: 'ins', extcls: 'canedit', dataHintTitle: 'I'},
+                                {caption: me.textTabLayout, action: 'layout', extcls: 'canedit', dataHintTitle: 'L'},
+                                {caption: me.textTabLinks, action: 'links', extcls: 'canedit', dataHintTitle: 'R'}
                             ]
                         }
                     );
@@ -1398,7 +1398,7 @@ define([
                     Common.UI.Mixtbar.prototype.initialize.call(this, {
                             template: _.template(template_view),
                             tabs: [
-                                {caption: me.textTabFile, action: 'file', haspanel: false}
+                                {caption: me.textTabFile, action: 'file', haspanel: false, dataHintTitle: 'F'}
                             ]
                         }
                     );
diff --git a/apps/presentationeditor/main/app/controller/Toolbar.js b/apps/presentationeditor/main/app/controller/Toolbar.js
index 38dcbfe6b..a9615a08c 100644
--- a/apps/presentationeditor/main/app/controller/Toolbar.js
+++ b/apps/presentationeditor/main/app/controller/Toolbar.js
@@ -2418,7 +2418,7 @@ define([
             }
             me.toolbar.render(_.extend({compactview: compactview}, config));
 
-            var tab = {action: 'review', caption: me.toolbar.textTabCollaboration};
+            var tab = {action: 'review', caption: me.toolbar.textTabCollaboration, dataHintTitle: 'U'};
             var $panel = me.getApplication().getController('Common.Controllers.ReviewChanges').createToolbarPanel();
             if ( $panel ) {
                 me.toolbar.addTab(tab, $panel, 4);
@@ -2449,7 +2449,7 @@ define([
 
                 if ( config.isDesktopApp ) {
                     if ( config.canProtect ) { // don't add protect panel to toolbar
-                        tab = {action: 'protect', caption: me.toolbar.textTabProtect};
+                        tab = {action: 'protect', caption: me.toolbar.textTabProtect, dataHintTitle: 'T'};
                         $panel = me.getApplication().getController('Common.Controllers.Protection').createToolbarPanel();
                         if ($panel)
                             me.toolbar.addTab(tab, $panel, 4);
diff --git a/apps/presentationeditor/main/app/view/Toolbar.js b/apps/presentationeditor/main/app/view/Toolbar.js
index 0d48419c8..cd3207d6a 100644
--- a/apps/presentationeditor/main/app/view/Toolbar.js
+++ b/apps/presentationeditor/main/app/view/Toolbar.js
@@ -128,10 +128,10 @@ define([
                     Common.UI.Mixtbar.prototype.initialize.call(this, {
                             template: _.template(template),
                             tabs: [
-                                {caption: me.textTabFile, action: 'file', extcls: 'canedit', haspanel:false},
-                                {caption: me.textTabHome, action: 'home', extcls: 'canedit'},
-                                {caption: me.textTabInsert, action: 'ins', extcls: 'canedit'},
-                                {caption: me.textTabTransitions, action: 'transit', extcls: 'canedit'}
+                                {caption: me.textTabFile, action: 'file', extcls: 'canedit', haspanel:false, dataHintTitle: 'F'},
+                                {caption: me.textTabHome, action: 'home', extcls: 'canedit', dataHintTitle: 'H'},
+                                {caption: me.textTabInsert, action: 'ins', extcls: 'canedit', dataHintTitle: 'I'},
+                                {caption: me.textTabTransitions, action: 'transit', extcls: 'canedit', dataHintTitle: 'N'}
                             ]
                         }
                     );
@@ -1073,7 +1073,7 @@ define([
                     Common.UI.Mixtbar.prototype.initialize.call(this, {
                             template: _.template(template_view),
                             tabs: [
-                                {caption: me.textTabFile, action: 'file', haspanel:false}
+                                {caption: me.textTabFile, action: 'file', haspanel:false, dataHintTitle: 'F'}
                             ]
                         }
                     );
diff --git a/apps/spreadsheeteditor/main/app/controller/Toolbar.js b/apps/spreadsheeteditor/main/app/controller/Toolbar.js
index 55997074b..1e64b6725 100644
--- a/apps/spreadsheeteditor/main/app/controller/Toolbar.js
+++ b/apps/spreadsheeteditor/main/app/controller/Toolbar.js
@@ -3715,7 +3715,7 @@ define([
             me.toolbar.render(_.extend({isCompactView: compactview}, config));
 
             if ( !config.isEditDiagram && !config.isEditMailMerge ) {
-                var tab = {action: 'review', caption: me.toolbar.textTabCollaboration};
+                var tab = {action: 'review', caption: me.toolbar.textTabCollaboration, dataHintTitle: 'U'};
                 var $panel = me.getApplication().getController('Common.Controllers.ReviewChanges').createToolbarPanel();
                 if ($panel) {
                     me.toolbar.addTab(tab, $panel, 6);
@@ -3755,7 +3755,7 @@ define([
                     Array.prototype.push.apply(me.toolbar.lockControls, formulatab.getButtons());
 
                     if ( config.canFeaturePivot ) {
-                        tab = {action: 'pivot', caption: me.textPivot};
+                        tab = {action: 'pivot', caption: me.textPivot, dataHintTitle: 'B'};
                         var pivottab = me.getApplication().getController('PivotTable');
                         pivottab.setApi(me.api).setConfig({toolbar: me});
                         $panel = pivottab.createToolbarPanel();
@@ -3778,7 +3778,7 @@ define([
                         me.toolbar.btnCopy.$el.removeClass('split');
                     }
 
-                    var tab = {action: 'protect', caption: me.toolbar.textTabProtect};
+                    var tab = {action: 'protect', caption: me.toolbar.textTabProtect, dataHintTitle: 'T'};
                     var $panel = me.getApplication().getController('Common.Controllers.Protection').createToolbarPanel();
                     if ($panel) {
                         config.canProtect && $panel.append($('<div class="separator long"></div>'));
diff --git a/apps/spreadsheeteditor/main/app/view/Toolbar.js b/apps/spreadsheeteditor/main/app/view/Toolbar.js
index 190ebfce9..9255437ca 100644
--- a/apps/spreadsheeteditor/main/app/view/Toolbar.js
+++ b/apps/spreadsheeteditor/main/app/view/Toolbar.js
@@ -352,14 +352,14 @@ define([
                 Common.UI.Mixtbar.prototype.initialize.call(this, {
                     template: _.template(template),
                     tabs: [
-                        { caption: me.textTabFile, action: 'file', extcls: 'canedit', haspanel:false},
-                        { caption: me.textTabHome, action: 'home', extcls: 'canedit'},
-                        { caption: me.textTabInsert, action: 'ins', extcls: 'canedit'},
-                        {caption: me.textTabLayout, action: 'layout', extcls: 'canedit'},
-                        {caption: me.textTabFormula, action: 'formula', extcls: 'canedit'},
-                        {caption: me.textTabData, action: 'data', extcls: 'canedit'},
+                        { caption: me.textTabFile, action: 'file', extcls: 'canedit', haspanel:false, dataHintTitle: 'F'},
+                        { caption: me.textTabHome, action: 'home', extcls: 'canedit', dataHintTitle: 'H'},
+                        { caption: me.textTabInsert, action: 'ins', extcls: 'canedit', dataHintTitle: 'I'},
+                        {caption: me.textTabLayout, action: 'layout', extcls: 'canedit', dataHintTitle: 'L'},
+                        {caption: me.textTabFormula, action: 'formula', extcls: 'canedit', dataHintTitle: 'O'},
+                        {caption: me.textTabData, action: 'data', extcls: 'canedit', dataHintTitle: 'D'},
                         undefined, undefined, undefined,
-                        {caption: me.textTabView, action: 'view', extcls: 'canedit'}
+                        {caption: me.textTabView, action: 'view', extcls: 'canedit', dataHintTitle: 'W'}
                     ]}
                 );
 
@@ -1615,7 +1615,7 @@ define([
                 Common.UI.Mixtbar.prototype.initialize.call(this, {
                         template: _.template(template_view),
                         tabs: [
-                            {caption: me.textTabFile, action: 'file', haspanel:false}
+                            {caption: me.textTabFile, action: 'file', haspanel:false, dataHintTitle: 'F'}
                         ]
                     }
                 );