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My previous Mac Air died. I did a Time Machine restore, on the new Mac Air. It transfered the Firefox app, but not the bookmarks. How do I get them?

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  • 最後の返信者: cor-el

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My previous Mac Air died. I did a Time Machine restore, on the new Mac Air. It transferred the Firefox app, but not the bookmarks. How do I get them?

My previous Mac Air died. I did a Time Machine restore, on the new Mac Air. It transferred the Firefox app, but not the bookmarks. How do I get them?

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Firefox uses two locations for the Firefox profile folder.

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>

In Mac OS X v10.7 and later, the "~/Library" folder in the Home directory is a hidden folder.

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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.


  • 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)

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.

See also: