Transferring profile to a new computer
I need to transfer my profile to a new computer (Win 10/11). Unfortunately, the guidance provided - find %APPDATA%\Mozilla\Firefox\Profiles and copy it to a flashdrive - is inadequate.
This location has multiple files. Perhaps for a Firefox designer or programmer, that's not an issue. I'm neither. I need a precise list - with exact names - of the file or files that I need to copy.
Does a "profile" consist of one file or several files? Whichever the answer, what is/are the specific names of those files?
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You can copy certain files with Firefox closed from a profile folder to the profile folder on a new device to transfer important personal data. Note that best is to avoid restoring a full profile folder and only restore important files that are safe to restore/transfer.
- https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data
- https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile
- 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 (encryption 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)