How do you locate part of a document that you removed or changed greatly, and copy that content into the version you’re currently editing? What to do when it’s too much for Undo.
undo
Document versions, accessed through Revert To…, are a major part of the protection macOS provides for dealing with errors. How to get the most from them.
Bridging the gap between Undo and backup, its a major productivity feature implemented using a hidden folder at the top level of each volume.
How can I undo Terminal commands?
The Eclectic Light Company 