WD2000: How to Clear the Undo Stack

This article was previously published under Q211317
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This article contains several methods for clearing the Undo stack in Microsoft Word.
More information
You cannot turn off the Undo or Redo commands, nor can youchange the maximum number of actions Word stores in the Undo or Redo stacks (limited by resources and document size)(maximum document size of 32 megabytes without graphics).

NOTE: If you are experiencing out-of-memory or slow-performance problems, be sure to rule out other Word or system operations as the cause.

To clear the Undo and Redo stacks in Word, use any of the following methods.

Method 1: Protect the Document for Forms

  1. On the Tools menu, click Protect Document.
  2. Under Protect document for, click Forms.
  3. Click OK.
NOTE: If you do not actually want to protect your document as a form, click Unprotect Document on the Tools menu.

Method 2: Create and Use a Macro

Microsoft provides programming examples for illustration only, without warranty either expressed or implied, including, but not limited to, the implied warranties of merchantability and/or fitness for a particular purpose. This article assumes that you are familiar with the programming language being demonstrated and the tools used to create and debug procedures. Microsoft support professionals can help explain the functionality of a particular procedure, but they will not modify these examples to provide added functionality or construct procedures to meet your specific needs.
If you have limited programming experience, you may want to contact a Microsoft Certified Partner or Microsoft Advisory Services. For more information, visit these Microsoft Web sites:

Microsoft Certified Partners - https://partner.microsoft.com/global/30000104

Microsoft Advisory Services - http://support.microsoft.com/gp/advisoryservice

For more information about the support options that are available and about how to contact Microsoft, visit the following Microsoft Web site:http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS
For more information about how to use the sample code in this article, clickthe article number below to view the article in the Microsoft Knowledge Base:
212536 OFF2000: How to Run Sample Code from Knowledge Base Articles
The following sample Visual Basic for Applications macro clears the Undostack for the active document.
   Sub ClearActiveDocumentUndoStack()      ActiveDocument.UndoClear   End Sub				
The following sample Visual Basic for Applications macro clears the undostack for all open documents.
   Sub ClearAllDocumentsUndoStack()      Dim oDocUndoStack as Object      For Each oDocUndoStack In Application.Documents         oDocUndoStack.UndoClear      Next oDocUndoStack   End Sub				
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Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Article ID: 211317 - Last Review: 10/25/2013 22:57:00 - Revision: 1.0

Microsoft Word 2000

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