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lost restore

If your bookmarks, passwords, preference settings and other data are missing, it may be available in another Firefox profile. Learn more.

If Firefox starts up without your bookmarks, passwords, saved tabs and other settings, check whether your data is available in a different [[Profiles - Where Firefox stores your bookmarks, passwords and other user data|profile]]. This can happen because Firefox creates a [[Dedicated profiles per Firefox installation|dedicated profile for each Firefox installation]]. To recover your Firefox data and settings from another profile: Type '''about:profiles''' into the Firefox address bar and press the {for win,linux}{key Enter}{/for}{for mac}{key Return}{/for} key. This will open the ''About Profiles'' page.<br>{for win}[[Image:Fx52aboutprofiles-Win]]{/for}{for mac}[[Image:about:profiles macOS]] {/for}{for linux}[[Image:Fx52_about-profiles-linux]]{/for}<br> This page should list at least one profile and could list many. The profile that Firefox is currently using will have this:<br> '''This is the profile in use and it cannot be deleted.''' {note}''Please do not delete any profiles. Don't use any Remove buttons.''{/note} If you have another profile listed on this page, it may contain your missing profile data. You can click the {button Launch profile in new browser} button to open another Firefox window using that profile. If the other profile doesn't contain your missing data, simply close that new window. If it does contain the missing data, you can set it as the profile that Firefox will open by default. Click the {button Set as default profile} button for that profile and Firefox will use it automatically the next time you open Firefox. For more information about managing Firefox profiles, see the [[Profile Manager - Create, remove, or switch Firefox profiles]] article.