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  1. #1
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    Can you disable Undo? (Excel 2003)

    I have a student that is wondering if it is possible to disable the undo feature in Excel. She is a former Lotus 1-2-3 user, and indicated that when working in huge workbooks the Undo feature is a memory hog that bogs her down - she disables it there. I don't know if there is a way to disable this feature in Excel, or if it truly does hog that much memory. Any ideas? Thanks!

  2. #2
    3 Star Lounger Jim Cone's Avatar
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    Re: Can you disable Undo? (Excel 2003)

    Take a look here...
    http://support.microsoft.com/default.aspx?...kb;en-us;211922
    "XL: How to Modify the Number of Undo Levels"

    Jim Cone
    San Francisco, USA

  3. #3
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    Re: Can you disable Undo? (Excel 2003)

    Welcome to Woody's Lounge!

    In most situations, the undo feature is not a problem, but if you're working with huge worksheets, it can slow down Excel. If memory threatens to run out, Excel will suggest to continue without undo.

    See MSKB article XL: How to Modify the Number of Undo Levels for a way to change the number of undo levels globally (for all workbooks).

    If the student would rather turn Undo off selectively in one or two workbooks, she can put the following event procedure in the ThisWorkbook module of those workbooks:
    <code>
    Private Sub Workbook_SheetSelectionChange(ByVal Sh As Object, ByVal Target As Range)
    Application.OnUndo "", ""
    End Sub
    </code>
    This will only disable Undo in the workbooks that contain this code.

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