diff --git a/common/CollaborativeEditingBase.js b/common/CollaborativeEditingBase.js
index 515ce8946d..90e2720115 100644
--- a/common/CollaborativeEditingBase.js
+++ b/common/CollaborativeEditingBase.js
@@ -1222,27 +1222,24 @@
 
 		return true;
 	};
+	CCollaborativeEditingBase.prototype._PreUndo = function()
+	{
+		// Метод для перегрузки, чтобы в каждом редакторе выполнялись свои действия
+		return null;
+	};
+	CCollaborativeEditingBase.prototype._PostUndo = function(state, changes)
+	{
+		// Метод для перегрузки, чтобы в каждом редакторе выполнялись свои действия
+	};
 	CCollaborativeEditingBase.prototype.PreUndo = function()
 	{
-		let logicDocument = this.m_oLogicDocument;
-		
-		logicDocument.sendEvent("asc_onBeforeUndoRedoInCollaboration");
-		logicDocument.DrawingDocument.EndTrackTable(null, true);
-		logicDocument.TurnOffCheckChartSelection();
-
-		return this.private_SaveDocumentState();
+		this.m_oLogicDocument.sendEvent("asc_onBeforeUndoRedoInCollaboration");
+		return this._PreUndo();
 	};
 	CCollaborativeEditingBase.prototype.PostUndo = function(state, changes)
 	{
-		this.private_RestoreDocumentState(state);
-		this.private_RecalculateDocument(changes);
-
-		let logicDocument = this.m_oLogicDocument;
-		logicDocument.TurnOnCheckChartSelection();
-		logicDocument.UpdateSelection();
-		logicDocument.UpdateInterface();
-		logicDocument.UpdateRulers();
-		logicDocument.sendEvent("asc_onUndoRedoInCollaboration");
+		this._PostUndo(state, changes);
+		this.m_oLogicDocument.sendEvent("asc_onUndoRedoInCollaboration");
 	};
 	CCollaborativeEditingBase.prototype.UndoGlobal = function(count)
 	{
diff --git a/pdf/src/CollaborativeEditing.js b/pdf/src/CollaborativeEditing.js
index eead25149e..b9d7757cbe 100644
--- a/pdf/src/CollaborativeEditing.js
+++ b/pdf/src/CollaborativeEditing.js
@@ -326,8 +326,10 @@ CPDFCollaborativeEditing.prototype.Release_Locks = function() {
         }
     }
 };
-CPDFCollaborativeEditing.prototype.PostUndo = function(state, changes) {
-    this.m_oLogicDocument.sendEvent("asc_onUndoRedoInCollaboration");
+CPDFCollaborativeEditing.prototype._PreUndo = function() {
+    return null;
+};
+CPDFCollaborativeEditing.prototype._PostUndo = function(state, changes) {
 };
 
 //--------------------------------------------------------export----------------------------------------------------
diff --git a/word/Editor/CollaborativeEditing.js b/word/Editor/CollaborativeEditing.js
index bc800b3367..490bd6a38d 100644
--- a/word/Editor/CollaborativeEditing.js
+++ b/word/Editor/CollaborativeEditing.js
@@ -421,6 +421,26 @@ CWordCollaborativeEditing.prototype.End_CollaborationEditing = function()
 			this.m_nUseType = 0;
 	}
 };
+CWordCollaborativeEditing.prototype._PreUndo = function()
+{
+	let logicDocument = this.m_oLogicDocument;
+	
+	logicDocument.DrawingDocument.EndTrackTable(null, true);
+	logicDocument.TurnOffCheckChartSelection();
+	
+	return this.private_SaveDocumentState()
+};
+CWordCollaborativeEditing.prototype._PostUndo = function(state, changes)
+{
+	this.private_RestoreDocumentState(state);
+	this.private_RecalculateDocument(changes);
+	
+	let logicDocument = this.m_oLogicDocument;
+	logicDocument.TurnOnCheckChartSelection();
+	logicDocument.UpdateSelection();
+	logicDocument.UpdateInterface();
+	logicDocument.UpdateRulers();
+};
 //----------------------------------------------------------------------------------------------------------------------
 // Функции для работы с сохраненными позициями документа.
 //----------------------------------------------------------------------------------------------------------------------