When you store your diagrams in Google Drive, diagrams.net automatically saves changes to a revision history.

  1. Select File > Revision History to see the various revisions.
  2. Click on a tab on the left to view a particular revision. You can zoom into the preview of your diagram using the buttons below the viewer.
  3. Work with the selected version of your diagram:
    • Download that particular version of your diagram.
    • Edit that version in a new tab in your browser.
    • Restore that version of your diagram (roll back your changes), , then click OK to confirm. 
    • Show that version of your diagram in the diagrams.net lightbox in a new browser tab.