diff --git a/apps/documenteditor/main/app/controller/Main.js b/apps/documenteditor/main/app/controller/Main.js
index 56da187a2..47c441cb1 100644
--- a/apps/documenteditor/main/app/controller/Main.js
+++ b/apps/documenteditor/main/app/controller/Main.js
@@ -999,6 +999,7 @@ define([
                 this.appOptions.forcesave      = this.appOptions.canForcesave;
                 this.appOptions.canEditComments= this.appOptions.isOffline || !(typeof (this.editorConfig.customization) == 'object' && this.editorConfig.customization.commentAuthorOnly);
                 this.appOptions.isTrial         = params.asc_getTrial();
+                this.appOptions.canProtect      = this.appOptions.isDesktopApp && this.api.asc_isSignaturesSupport();
 
                 if ( this.appOptions.isLightVersion ) {
                     this.appOptions.canUseHistory =
diff --git a/apps/documenteditor/main/app/view/FileMenu.js b/apps/documenteditor/main/app/view/FileMenu.js
index 702764ed2..9be53947c 100644
--- a/apps/documenteditor/main/app/view/FileMenu.js
+++ b/apps/documenteditor/main/app/view/FileMenu.js
@@ -240,7 +240,7 @@ define([
         applyMode: function() {
             this.miPrint[this.mode.canPrint?'show':'hide']();
             this.miRename[(this.mode.canRename && !this.mode.isDesktopApp) ?'show':'hide']();
-            this.items[7][(this.mode.isDesktopApp) ?'show':'hide']();
+            this.items[7][(this.mode.canProtect) ?'show':'hide']();
             this.items[7].$el.find('+.devider')[!this.mode.isDisconnected?'show':'hide']();
             this.miRecent[this.mode.canOpenRecent?'show':'hide']();
             this.miNew[this.mode.canCreateNew?'show':'hide']();
@@ -277,7 +277,7 @@ define([
                 }
             }
 
-            if (this.mode.isDesktopApp) {
+            if (this.mode.canProtect) {
 //                this.$el.find('#fm-btn-back').hide();
                 this.panels['protect'] = (new DE.Views.FileMenuPanels.ProtectDoc({menu:this})).render();
                 this.panels['protect'].setMode(this.mode);
diff --git a/apps/documenteditor/main/app/view/RightMenu.js b/apps/documenteditor/main/app/view/RightMenu.js
index d3ff6c463..453cd508e 100644
--- a/apps/documenteditor/main/app/view/RightMenu.js
+++ b/apps/documenteditor/main/app/view/RightMenu.js
@@ -195,7 +195,7 @@ define([
                 this.mergeSettings = new DE.Views.MailMergeSettings();
             }
 
-            if (mode && mode.isDesktopApp) {
+            if (mode && mode.canProtect) {
                 this.btnSignature = new Common.UI.Button({
                     hint: this.txtSignatureSettings,
                     asctype: Common.Utils.documentSettingsType.Signature,
diff --git a/apps/presentationeditor/main/app/controller/Main.js b/apps/presentationeditor/main/app/controller/Main.js
index b61ae9cb4..b241944fe 100644
--- a/apps/presentationeditor/main/app/controller/Main.js
+++ b/apps/presentationeditor/main/app/controller/Main.js
@@ -778,6 +778,7 @@ define([
                 this.appOptions.forcesave      = this.appOptions.canForcesave;
                 this.appOptions.canEditComments= this.appOptions.isOffline || !(typeof (this.editorConfig.customization) == 'object' && this.editorConfig.customization.commentAuthorOnly);
                 this.appOptions.isTrial        = params.asc_getTrial();
+                this.appOptions.canProtect      = this.appOptions.isDesktopApp && this.api.asc_isSignaturesSupport();
 
                 this._state.licenseWarning = (licType===Asc.c_oLicenseResult.Connections) && this.appOptions.canEdit && this.editorConfig.mode !== 'view';
 
diff --git a/apps/presentationeditor/main/app/view/FileMenu.js b/apps/presentationeditor/main/app/view/FileMenu.js
index c77d30402..d8c9fd30c 100644
--- a/apps/presentationeditor/main/app/view/FileMenu.js
+++ b/apps/presentationeditor/main/app/view/FileMenu.js
@@ -234,7 +234,7 @@ define([
         applyMode: function() {
             this.miPrint[this.mode.canPrint?'show':'hide']();
             this.miRename[(this.mode.canRename && !this.mode.isDesktopApp) ?'show':'hide']();
-            this.items[7][(this.mode.isDesktopApp) ?'show':'hide']();
+            this.items[7][(this.mode.canProtect) ?'show':'hide']();
             this.items[7].$el.find('+.devider')[!this.mode.isDisconnected?'show':'hide']();
             this.miRecent[this.mode.canOpenRecent?'show':'hide']();
             this.miNew[this.mode.canCreateNew?'show':'hide']();
@@ -271,7 +271,7 @@ define([
                 }
             }
 
-            if (this.mode.isDesktopApp) {
+            if (this.mode.canProtect) {
                 this.$el.find('#fm-btn-create, #fm-btn-back, #fm-btn-create+.devider').hide();
                 this.panels['protect'] = (new PE.Views.FileMenuPanels.ProtectDoc({menu:this})).render();
                 this.panels['protect'].setMode(this.mode);
diff --git a/apps/presentationeditor/main/app/view/RightMenu.js b/apps/presentationeditor/main/app/view/RightMenu.js
index 3d4cb5700..9f12f3b79 100644
--- a/apps/presentationeditor/main/app/view/RightMenu.js
+++ b/apps/presentationeditor/main/app/view/RightMenu.js
@@ -179,7 +179,7 @@ define([
             this.shapeSettings = new PE.Views.ShapeSettings();
             this.textartSettings = new PE.Views.TextArtSettings();
 
-            if (mode && mode.isDesktopApp) {
+            if (mode && mode.canProtect) {
                 this.btnSignature = new Common.UI.Button({
                     hint: this.txtSignatureSettings,
                     asctype: Common.Utils.documentSettingsType.Signature,
diff --git a/apps/spreadsheeteditor/main/app/controller/Main.js b/apps/spreadsheeteditor/main/app/controller/Main.js
index 58e806432..687abf2a1 100644
--- a/apps/spreadsheeteditor/main/app/controller/Main.js
+++ b/apps/spreadsheeteditor/main/app/controller/Main.js
@@ -799,6 +799,7 @@ define([
                     this.appOptions.canChat        = this.appOptions.canLicense && !this.appOptions.isOffline && !((typeof (this.editorConfig.customization) == 'object') && this.editorConfig.customization.chat===false);
                     this.appOptions.canRename      = !!this.permissions.rename;
                     this.appOptions.isTrial        = params.asc_getTrial();
+                    this.appOptions.canProtect      = this.appOptions.isDesktopApp && this.api.asc_isSignaturesSupport();
 
                     this.appOptions.canBranding  = (licType === Asc.c_oLicenseResult.Success) && (typeof this.editorConfig.customization == 'object');
                     if (this.appOptions.canBranding)
diff --git a/apps/spreadsheeteditor/main/app/view/FileMenu.js b/apps/spreadsheeteditor/main/app/view/FileMenu.js
index 0a7712085..674408d44 100644
--- a/apps/spreadsheeteditor/main/app/view/FileMenu.js
+++ b/apps/spreadsheeteditor/main/app/view/FileMenu.js
@@ -223,7 +223,7 @@ define([
         applyMode: function() {
             this.miPrint[this.mode.canPrint?'show':'hide']();
             this.miRename[(this.mode.canRename && !this.mode.isDesktopApp) ?'show':'hide']();
-            this.items[7][(this.mode.isDesktopApp) ?'show':'hide']();
+            this.items[7][(this.mode.canProtect) ?'show':'hide']();
             this.items[7].$el.find('+.devider')[!this.mode.isDisconnected?'show':'hide']();
             this.miRecent[this.mode.canOpenRecent?'show':'hide']();
             this.miNew[this.mode.canCreateNew?'show':'hide']();
@@ -262,7 +262,7 @@ define([
                 }
             }
 
-            if (this.mode.isDesktopApp) {
+            if (this.mode.canProtect) {
                 this.panels['protect'] = (new SSE.Views.FileMenuPanels.ProtectDoc({menu:this})).render();
                 this.panels['protect'].setMode(this.mode);
             }
diff --git a/apps/spreadsheeteditor/main/app/view/RightMenu.js b/apps/spreadsheeteditor/main/app/view/RightMenu.js
index ce1106e19..fe331911a 100644
--- a/apps/spreadsheeteditor/main/app/view/RightMenu.js
+++ b/apps/spreadsheeteditor/main/app/view/RightMenu.js
@@ -167,7 +167,7 @@ define([
             this.textartSettings = new SSE.Views.TextArtSettings();
             this.tableSettings = new SSE.Views.TableSettings();
 
-            if (mode && mode.isDesktopApp) {
+            if (mode && mode.canProtect) {
                 this.btnSignature = new Common.UI.Button({
                     hint: this.txtSignatureSettings,
                     asctype: Common.Utils.documentSettingsType.Signature,