get back 40+ tabs (of PhD research) that your failed automatic update deleted on June 22-23
dear Support people, I need your help! on June 22-23, you sent me an automatic browser update, that field and sent a message that the browser can't be opened. so I had to remove it and install it back. however, my open tabs, about 45, can't be found.
these tabs are kept open for my Phd. thesis about giants and I am in great need of them. please, do all that you can to restore them for me.
All the best, Michal
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Here are some articles and a detailed answer on restoring previous sessions.
https://support.mozilla.org/en-US/kb/how-do-i-restore-my-tabs-last-time https://support.mozilla.org/en-US/kb/how-restore-browsing-session-backup https://support.mozilla.org/en-US/questions/1378082#answer-1508025 https://support.mozilla.org/en-US/kb/restore-previous-session
I suggest you consider backing up your profile.
https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles
Backup the session files in the sessionstore-backups folder in the Firefox profile folder to make sure not to lose possible important session data. Do NOT close Firefox when Firefox is already running.
You can use the button on the "Help -> More Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page (Root directory).
- Help -> More Troubleshooting Information -> Profile Folder/Directory:
Windows: Open Folder; Linux: Open Directory; Mac: Show in Finder - https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data
You will normally find these files in the sessionstore-backups folder:
- previous.jsonlz4 (cleanBackup: copy of sessionstore.jsonlz4 from previous session that was loaded successfully)
- recovery.jsonlz4 (latest version of sessionstore.jsonlz4 written during runtime)
- recovery.baklz4 (previous version of sessionstore.jsonlz4 written during runtime)
- upgrade.jsonlz4-<build_id> (backup created during an upgrade of Firefox)
You can copy a file from the sessionstore-backups folder to the main profile and rename the file to sessionstore.jsonlz4 to replace the current file with Firefox closed.
- make sure to backup the current sessionstore.jsonlz4
You can try to restore a recent upgrade.jsonlz4-<build_id> when available or use a utility to browse Windows System Restore points to see if you can find a recent sessionstore.jsonlz4 file.
You can look at this tool to inspect a compressed jsonlz4 sessionstore file.