Type a value in the Value box, click OK, and then exit Registry Editor. In the Edit DWORD Value dialog box, click Decimal under Base. Select New Value #1, type UndoHistory, and then press ENTER. On the Edit menu, point to New, and then click DWORD Value. In Registry Editor, expand one of the following registry subkeys, as appropriate for the version of Excel that you are running:Įxcel 2007: HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Excel\OptionsĮxcel 2010: HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\OptionsĮxcel 2013: HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Excel\OptionsĮxcel 2016: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Excel\Options In the search box or the Run window, type regedit and press Enter.ĭepending on your version of Windows, you may be asked to confirm that you want to open Registry Editor. In Windows XP, click the Start button, and then click Run.
In Windows 7 or Windows Vista, click Start.
#How to undo jarfix windows 10
In Windows 10 or Windows 8, right-click the Start button and click Run. The following procedure uses the Registry Editor to change the number of undo levels for Excel, although you can do the same in Word or PowerPoint.Ĭlose any Office programs that are running. Warning: Increasing the number of undo levels should be done with caution and moderation: the more you increase the number of undo levels, the more random access memory (RAM) Excel requires to store the undo history, which affects the performance of Excel.