How to undo changes after saving the file?

[plumbergp]

(07-11-2019, 05:37 AM)Blighty Wrote: You can't undo after saving and closing a file. You can save using different names (eg Image01.xcf; Image02.xcf, etc). Then you can revert back to an older version. Or even copy a layer from an older version and paste it into the current version.

Thanks. That is what I read in the web when I searched on the topic. 

Thanks for the fall back tip.