Photoshop

Restore part of an image to its previously saved version

 Do one of the following:
  • Use the History Brush tool  to paint with the selected state or snapshot on the History palette.

  • Use the Eraser tool  with the Erase To History option selected.

  • Select the area you want to restore, and choose Edit > Fill. For Use, choose History, and click OK.

Note: To restore the image with a snapshot of the initial state of the document, choose History Options from the Palette menu and make sure that the Automatically Create First Snapshot option is selected.