diff --git a/macos/ONLYOFFICE/Code/Controllers/Common/ASCEventsController.mm b/macos/ONLYOFFICE/Code/Controllers/Common/ASCEventsController.mm
index f557b627e..0b7a41f7f 100644
--- a/macos/ONLYOFFICE/Code/Controllers/Common/ASCEventsController.mm
+++ b/macos/ONLYOFFICE/Code/Controllers/Common/ASCEventsController.mm
@@ -665,6 +665,10 @@ public:
                                     [[ASCEditorJSVariables instance] setParameter:@"uitheme" withString:uiTheme];
                                 }
 
+                                if ( [json objectForKey:@"rtl"] != nil ) {
+                                    [ASCLinguist setUILayoutDirectionRtl:[json[@"rtl"] boolValue]];
+                                }
+
                                 [[ASCEditorJSVariables instance] applyParameters];
                             }
                         } else if (cmd.find(L"encrypt:isneedbuild") != std::wstring::npos) {
diff --git a/macos/ONLYOFFICE/Code/Controllers/Common/ASCLinguist.h b/macos/ONLYOFFICE/Code/Controllers/Common/ASCLinguist.h
index 901cd95ba..ecfd2648c 100644
--- a/macos/ONLYOFFICE/Code/Controllers/Common/ASCLinguist.h
+++ b/macos/ONLYOFFICE/Code/Controllers/Common/ASCLinguist.h
@@ -47,6 +47,8 @@ NS_ASSUME_NONNULL_BEGIN
 + (NSDictionary *)availableLanguages;
 + (NSString *)appLanguageCode;
 + (void)setAppLanguageCode:(NSString *)code;
++ (void)setUILayoutDirectionRtl:(BOOL)value;
++ (BOOL)isUILayoutDirectionRtl;
 
 @end
 
diff --git a/macos/ONLYOFFICE/Code/Controllers/Common/ASCLinguist.m b/macos/ONLYOFFICE/Code/Controllers/Common/ASCLinguist.m
index f6277d125..42dd3ac3e 100644
--- a/macos/ONLYOFFICE/Code/Controllers/Common/ASCLinguist.m
+++ b/macos/ONLYOFFICE/Code/Controllers/Common/ASCLinguist.m
@@ -42,10 +42,17 @@
 
 @implementation ASCLinguist
 
+static BOOL uiLayoutDirectionRTL = NO;
+
 + (void)init {
     [[NSUserDefaults standardUserDefaults] setObject:[NSArray arrayWithObject:[ASCLinguist appLanguageCode]] forKey:@"AppleLanguages"];
     [[NSUserDefaults standardUserDefaults] setObject:[ASCLinguist appLanguageCode] forKey:@"AppleLocale"];
     [[NSUserDefaults standardUserDefaults] synchronize];
+
+//    bool l = [NSLocale characterDirectionForLanguage:[ASCLinguist appLanguageCode]] == NSLocaleLanguageDirectionRightToLeft;
+    NSString * direction = [[NSUserDefaults standardUserDefaults] objectForKey:ASCUserUILayoutDirection];
+    if ( direction != nil )
+        uiLayoutDirectionRTL = [direction isEqualToString:@"rtl"];
 }
 
 + (NSString *)appLanguageCode {
@@ -67,6 +74,18 @@
     [[NSUserDefaults standardUserDefaults] synchronize];
 }
 
++ (void)setUILayoutDirectionRtl:(BOOL)value {
+    if ( value )
+        [[NSUserDefaults standardUserDefaults] setObject:@"rtl" forKey:ASCUserUILayoutDirection];
+    else [[NSUserDefaults standardUserDefaults] removeObjectForKey:ASCUserUILayoutDirection];
+
+    [[NSUserDefaults standardUserDefaults] synchronize];
+}
+
++ (BOOL)isUILayoutDirectionRtl {
+    return uiLayoutDirectionRTL;
+}
+
 + (NSDictionary *)availableLanguages {
     return @{
         @"en": @"English",
diff --git a/macos/ONLYOFFICE/Code/Controllers/MainWindow/ASCTitleBarController.mm b/macos/ONLYOFFICE/Code/Controllers/MainWindow/ASCTitleBarController.mm
index 9b49c34ae..9c73b9ca3 100644
--- a/macos/ONLYOFFICE/Code/Controllers/MainWindow/ASCTitleBarController.mm
+++ b/macos/ONLYOFFICE/Code/Controllers/MainWindow/ASCTitleBarController.mm
@@ -52,6 +52,7 @@
 #import "ASCMenuButtonCell.h"
 #import "ASCThemesController.h"
 #import "ASCApplicationManager.h"
+#import "ASCLinguist.h"
 
 
 static float kASCWindowDefaultTrafficButtonsLeftMargin = 0;
@@ -115,6 +116,10 @@ static float kASCWindowMinTitleWidth = 0;
         self.standardButtonsDefaults = @[[mainWindow standardWindowButton:NSWindowCloseButton],
                                          [mainWindow standardWindowButton:NSWindowMiniaturizeButton],
                                          [mainWindow standardWindowButton:NSWindowZoomButton]];
+        
+        if ( [ASCLinguist isUILayoutDirectionRtl] ) {
+            self.standardButtonsDefaults = [[self.standardButtonsDefaults reverseObjectEnumerator] allObjects];
+        }
     }
     
     [self.standardButtonsDefaults enumerateObjectsUsingBlock:^(NSButton *standardButton, NSUInteger idx, BOOL *stop) {
@@ -224,6 +229,9 @@ static float kASCWindowMinTitleWidth = 0;
         }
     }
 
+    if ( [ASCLinguist isUILayoutDirectionRtl] )
+        [self.view setUserInterfaceLayoutDirection:NSUserInterfaceLayoutDirectionRightToLeft];
+
     [self doLayout];
 }
 
@@ -250,10 +258,17 @@ static float kASCWindowMinTitleWidth = 0;
 }
 
 - (void)doLayout {
+    CGFloat btnContainerWidth = CGRectGetWidth([self.standardButtonsDefaults[0] frame]) + 6.0;
+    CGFloat leftOffset = kASCWindowDefaultTrafficButtonsLeftMargin;
+    if ( [ASCLinguist isUILayoutDirectionRtl] ) {
+        CGFloat windowWidth = CGRectGetWidth([[self view] frame]);
+        leftOffset = windowWidth - kASCWindowDefaultTrafficButtonsLeftMargin - btnContainerWidth * 3;
+    }
+
     void (^layoutStandartButtons)(NSArray *, BOOL) = ^ (NSArray *views, BOOL hidden) {
         [views enumerateObjectsUsingBlock:^(NSView *view, NSUInteger idx, BOOL *stop) {
             NSRect frame = view.frame;
-            frame.origin.x = kASCWindowDefaultTrafficButtonsLeftMargin + idx * (NSWidth(frame) + 6.0);
+            frame.origin.x = leftOffset + idx * btnContainerWidth;
             frame.origin.y = (int)((NSHeight(view.superview.frame) - NSHeight(view.frame)) / 2.0);
             
             [view setFrame:frame];
diff --git a/macos/ONLYOFFICE/Code/Utils/ASCConstants.h b/macos/ONLYOFFICE/Code/Utils/ASCConstants.h
index e27588153..4226de89f 100644
--- a/macos/ONLYOFFICE/Code/Utils/ASCConstants.h
+++ b/macos/ONLYOFFICE/Code/Utils/ASCConstants.h
@@ -88,6 +88,7 @@ static NSString * const ASCUserNameApp                      = @"asc_user_name_ap
 static NSString * const ASCUserUILanguage                   = @"asc_user_ui_lang";
 static NSString * const ASCUserUITheme                      = @"asc_user_ui_theme";
 static NSString * const ASCUserWebappsHelpUrl               = @"user_webapps_help_url";
+static NSString * const ASCUserUILayoutDirection            = @"asc_user_ui_layout_direction";
 
 // Application event names
 static NSString * const ASCEventNameMainWindowSetFrame      = @"UI_mainWindowSetFrame";
diff --git a/macos/ONLYOFFICE/Code/Utils/ASCEditorJSVariables.h b/macos/ONLYOFFICE/Code/Utils/ASCEditorJSVariables.h
index 5bf12e41f..1591f6559 100644
--- a/macos/ONLYOFFICE/Code/Utils/ASCEditorJSVariables.h
+++ b/macos/ONLYOFFICE/Code/Utils/ASCEditorJSVariables.h
@@ -48,6 +48,7 @@
 - (void)apply;
 - (void)setVariable:(NSString*)name withString:(NSString *)value;
 - (void)setVariable:(NSString*)name withObject:(NSDictionary *)value;
+- (void)setVariable:(NSString*)name withBool:(BOOL)value;
 - (void)setParameter:(NSString*)name withString:(NSString *)value;
 - (void)removeParameter:(NSString*)name;
 - (void)applyParameters;
diff --git a/macos/ONLYOFFICE/Code/Utils/ASCEditorJSVariables.mm b/macos/ONLYOFFICE/Code/Utils/ASCEditorJSVariables.mm
index 0abfb9b13..e52ba578f 100644
--- a/macos/ONLYOFFICE/Code/Utils/ASCEditorJSVariables.mm
+++ b/macos/ONLYOFFICE/Code/Utils/ASCEditorJSVariables.mm
@@ -101,6 +101,10 @@
     [_jsVariables setValue:value forKey:name];
 }
 
+- (void)setVariable: (NSString*)name withBool:(BOOL)value {
+    [_jsVariables setValue:@(value) forKey:name];
+}
+
 - (void)setVariable: (NSString*)name withObject:(NSDictionary *)object {
     [_jsVariables setObject:object forKey:name];
 }
diff --git a/macos/ONLYOFFICE/main.mm b/macos/ONLYOFFICE/main.mm
index 1ffb281c0..01a205bb5 100644
--- a/macos/ONLYOFFICE/main.mm
+++ b/macos/ONLYOFFICE/main.mm
@@ -117,6 +117,7 @@ int main(int argc, const char * argv[]) {
     [[ASCEditorJSVariables instance] setVariable:@"theme" withObject:@{@"id":uiTheme,
                                                                        @"system":systemColorScheme,
                                                                        @"type":systemColorScheme}];
+    [[ASCEditorJSVariables instance] setVariable:@"rtl" withBool:[ASCLinguist isUILayoutDirectionRtl]];
     [[ASCEditorJSVariables instance] apply];
 
     // setup doc sign