Undo preferences
 
 
 

You can set the following preferences in the Undo category of the Preferences window.

Undo

Undo

Select On if you want to be able to undo operations. This is the default.

Queue

Select Infinite to perform an unlimited number of undo operations. This option can use a lot of memory. Select Finite to limit the number of undo operations you can perform (specified in the Queue Size box). The default is Finite.

Queue size

If Finite is the selected Queue setting, specify here the number of undo operations you can perform. The default is 50.