Microsoft KB Archive/181172

= WD97: How to Clear the Undo Stack =

Article ID: 181172

Article Last Modified on 7/13/2007

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APPLIES TO


 * Microsoft Word 97 Standard Edition

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This article was previously published under Q181172





SUMMARY
This article contains several methods for clearing the Undo stack in Word.



MORE INFORMATION
By design, you cannot turn off the Undo or Redo commands, nor can you change the maximum number of actions Word stores in the Undo or Redo stacks (limited by resources and document size (maximum document size of 32 megs 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, 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 the Microsoft fee-based consulting line at (800) 936-5200. For more information about Microsoft Certified Partners, please visit the following Microsoft Web site:

https://partner.microsoft.com/global/30000104

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

The following sample Visual Basic for Applications macro clears the undo stack for the active document. Sub ClearActiveDocumentUndoStack ActiveDocument.UndoClear End Sub The following sample Visual Basic for Applications macro clears the undo stack for all open documents. Sub ClearAllDocumentsUndoStack Dim oDocUndoStack as Object For Each oDocUndoStack In Application.Documents oDocUndoStack.UndoClear Next oDocUndoStack End Sub For additional information, please see the following article in the Microsoft Knowledge Base:

173707 OFF97: How to Run Sample Code from Knowledge Base Articles

Additional query words: slow slows uses up depleted depletes exhausted exhausts low memory oom insufficient enough out nukes nuked erase erases deletes delete remove removes vb vba vbe

Keywords: kbhowto kbmacroexample KB181172

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