This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Wo archive tread sia. Meɖekuku bia biabia yeye ne ehia kpeɖeŋu.

Previous windows and tabs at startup, and history

  • 1 ŋuɖoɖo
  • 1 masɔmasɔ sia le esi
  • 1 view
  • Nuɖoɖo mlɔetɔ FredMcD

Ernie
Ernie
more options

On my 2020 iMac I have my firefox settings set to open previous windows and tabs at startup. If I close firefox and then reopen it, particularly after startup, the previous windows and tabs are gone. Usually I can open history and restore the previous windows and tabs. Today, for the first time, at startup, not only were the previous sessions' windows and tabs gone, but there was no history of any sort. I did not clear the history, but all my history is gone.

How do I get firefox to reliably reopen my previous windows and tabs, and now, how do I retrieve all my history?

On my 2020 iMac I have my firefox settings set to open previous windows and tabs at startup. If I close firefox and then reopen it, particularly after startup, the previous windows and tabs are gone. Usually I can open history and restore the previous windows and tabs. Today, for the first time, at startup, not only were the previous sessions' windows and tabs gone, but there was no history of any sort. I did not clear the history, but all my history is gone. How do I get firefox to reliably reopen my previous windows and tabs, and now, how do I retrieve all my history?

All Replies (1)

FredMcD
FredMcD
more options

Make sure you are not using Private Windows (nothing is recorded).

You may have corrupt sessionstore [v56] sessionstore.jsonlz4 file(s). Delete all sessionstore* files and the sessionstore-backups folder.

Don't delete the files if you need to rescue any data from them, just move them out of the profile folder to some location where Firefox doesn't look for them. You can try to read out their contents using this tool: https://www.jeffersonscher.com/res/scrounger.html


Type about:support<enter> in the address box.

Under the page logo on the left side, you will see Application Basics. Under this find Profile Folder. To its right press the button Show Folder. This will open your file browser to the current Firefox profile. Now Close Firefox.

Windows: Show Folder; Linux: Open Directory; Mac: Show in Finder

Linux: Under the page logo on the left side, you will see Application Basics. Under this find Profile Directory. To its right press the button Open Directory.

Locate the above file. Then rename or delete it. Restart Firefox.