Undo Levels

Limits the number of actions (1-99) that a user can undo. If you enable this setting, you can set a limit on the number of actions (1-99) a user is can undo. If you disable this setting or do not configure it, the user's default setting is used.

Supported on: At least Windows Vista

Undo levels

Registry PathSoftware\Policies\Microsoft\Office\12.0\MS Project\Options\General
Value Name
Default Value20
Min Value0
Max Value


Administrative Templates (Computers)

Administrative Templates (Users)