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I had to reset my MS Surface Pro and have lost all my bookmarks

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Hi, I had to reset my MS Surface Pro and have lost all my bookmarks. I used the option to reset and keep personal settings. Can I get my Bookmarks back? Rgds Gary

Hi, I had to reset my MS Surface Pro and have lost all my bookmarks. I used the option to reset and keep personal settings. Can I get my Bookmarks back? Rgds Gary

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You can check if you have the C:\Windows.old folder with your previous personal data.

Location used for the main profile that keeps your personal data (Root Directory on about:profiles).

  • C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\Profiles\<profile>

Note that in Windows "AppData" (Mac: ~/Library; Linux: ~/.mozilla) is a hidden folder.


You can copy certain files with Firefox closed to the current profile folder to transfer or recover personal data. Note that best is to avoid copying 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;32+) and key4.db (decryption key;58+) for Passwords saved in the Password Manager
    key3.db support ended in 73+; to use key3.db in 58-72, make sure to remove key4.db
  • cert9.db (58+) for (intermediate) 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)