How do I enable "Open Closed Tab?"
I use FireFox with the home page set to DuckDuckGo. Is this the reason the "Open Closed Tab" feature is greyed out?
I use FireFox with the home page set to DuckDuckGo. Is this the reason the "Open Closed Tab" feature is greyed out?
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You can check for problems with sessionstore.js file(s) in the Firefox profile folder that store session data.
- Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)
- http://kb.mozillazine.org/Profile_folder_-_Firefox
- http://kb.mozillazine.org/Multiple_profile_files_created
Deleting sessionstore.js will cause App Tabs and Tab Groups and open and closed (undo) tabs to get lost and you will have to recreate them (make a note or bookmark them if possible).
See also:
- https://support.mozilla.org/kb/restore-previous-session
- http://kb.mozillazine.org/browser.sessionstore.resume_from_crash
Make sure that you do not run Firefox in (permanent) Private Browsing mode (Never remember history).
- Tools > Options > Privacy > Firefox will: "Use custom settings for history"
- Deselect: [ ] "Always use Private Browsing mode"