How can I change the number of undo levels in Microsoft Access 2002?

Start a registry editor (e.g., regedit.exe).

Navigate to the HKEY_CURRENT_USERSoftwareMicrosoftOffice10.0AccessSettings registry subkey.

From the Edit menu, select New, DWORD Value.

Enter the name "Number of Undos" (without typing the quotes), then press Enter.

Double-click the new value, set it from 1 to 20, then click OK.

Close the registry editor.