Hello, Some articles maybe help you: *[https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles Back up and restore information in Firefox profiles] *[https://support.mozilla.org/en-US/kb/restore-bookmarks-from-backup-or-move-them Restore bookmarks from backup or move them to another computer] *[https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data Profiles - Where Firefox stores your bookmarks, passwords and other user data] *[https://support.mozilla.org/en-US/kb/Recovering%20important%20data%20from%20an%20old%20profile Recovering important data from an old profile] *[http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox Transferring data to a new profile - Firefox] The last is a Mozilla Zine Topic

You can copy the places.sqlite file to the new profile to get the bookmarks and the history and cookies.sqlite for the cookies.<br /> There are also JSON backups (bookmarks-####-##-##_xx.json) in the bookmarkbackups folder that can be used to restore the bookmarks.<br /> You may also want to copy the permissions.sqlite file for the allow/block cookie exceptions and other exceptions. You can use this button to go to the Firefox profile folder: *Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder) *http://kb.mozillazine.org/Profile_folder_-_Firefox