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Restore session

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easola01
easola01
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Hello. My previous computer failed. I bought a new computer with Windows 11…plus I have the hard drive from the previous computer connected as an external drive to my new computer. I would like to know how I might retrieve my old session of Firefox tabs that I had up and running on my old computer. Thank you so much, Lawrence Eason

Hello. My previous computer failed. I bought a new computer with Windows 11…plus I have the hard drive from the previous computer connected as an external drive to my new computer. I would like to know how I might retrieve my old session of Firefox tabs that I had up and running on my old computer. Thank you so much, Lawrence Eason

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cor-el
cor-el
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You can copy certain files with Firefox closed from another profile folder to the current profile folder to transfer your personal data. Note that best is to avoid restoring a full profile folder.

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).

  • bookmarks and history: places.sqlite
  • favicons: favicons.sqlite
  • bookmark backups: compressed .jsonlz4 JSON backups in the bookmarkbackups folder
  • cookies.sqlite for the Cookies
  • formhistory.sqlite for saved autocomplete Form Data
  • logins.json (encrypted logins) and key4.db (decryption key and primary password) for logins saved in the Password Manager
  • cert9.db for certificates stored in the Certificate Manager
  • persdict.dat for words added to the spell checker dictionary
  • permissions.sqlite for Permissions and possibly content-prefs.sqlite for other website specific data (Site Preferences)
  • sessionstore.jsonlz4 for open tabs and pinned tabs (see also the sessionstore-backups folder)