I had a lot of research tabs open in Safari. But all lost after installing Mojave.

I have Time Machine if that is of any help. I also checked "restoring all tabs from last session" without any success.

I'm a doomed or is there help? Thank you so much in advance!


Unfortunately I can only guess here, but it might be worthwhile to look at ~/Library/Saved\ Application\ State/com.apple.Safari.savedState/ (that's a symlink to ~/Library/Containers/com.apple.Safari/Data/Library/Saved\ Application\ State/com.apple.Safari.savedState/). It seems the information is saved as raw data (except one general plist file, maybe that can at least give you some hints), but perhaps you can simply replace that from a TimeMachine backup. Be careful with that however, perhaps the reason why the tabs are gone in the first place was a change in the data format.

If that does not work you can try to look through your history (⌘-Y in Safari), though that's gonna be tedious.


I'm pretty sure Safari's session/cache is reset when upgrading to Mojave. You can try to restore the "LastSession.plist" file from ~/Library/Safari/ via Time Machine (this is the file where the open tabs etc. are stored).

  • I’m pretty sure it doesn’t clear at update. I’ve ‘updated ‘ a dozen times through the betas & never lost anything. – Tetsujin Nov 28 '18 at 9:21

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