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A Refresh can fix many issues by restoring Firefox to its default state while saving essential information like bookmarks and passwords.

[[Template:desktoponly]] If you're having problems with Firefox, refreshing may help by restoring the browser to its default state while saving your essential information, like bookmarks and passwords. {warning}'''Important:''' A Firefox refresh removes add-ons and other customizations, such as [[Find and install add-ons to add features to Firefox#w_what-types-of-add-ons-can-i-install|extensions]], extension data, and [[Configuration Editor for Firefox|preference configurations]]. If you've made accessibility customizations to Firefox, you may need to add them back after refreshing. Consider using [[Diagnose Firefox issues using Troubleshoot Mode|Firefox {for fx88}Troubleshoot Mode{/for}{for not fx88}Safe Mode{/for}]] to diagnose issues before you refresh Firefox.{/warning} __TOC__ = Refresh Firefox = [[T:resetsteps]] = What does the refresh feature do? = Firefox stores all your settings and personal information in a [[Profiles - Where Firefox stores your bookmarks, passwords and other user data|profile folder]]. The refresh feature creates a new profile folder and saves your important data. The refresh feature removes add-ons normally stored inside the Firefox profile folder (such as [https://addons.mozilla.org/firefox/extensions/ extensions] and [[Use themes to change the look of Firefox|themes]]). Add-ons stored in other locations are not removed (although any modified preferences are reset). == Firefox will save these items: == *Bookmarks *Browsing and download history *Passwords *Cookies *Web form auto-fill information *Personal dictionary == These items and settings will be removed: == *[[Find and install add-ons to add features to Firefox|Extensions and themes]] *Website permissions *Modified preferences *[[Add or remove a search engine in Firefox#w_add-a-search-engine|Added search engines]] *DOM storage *[[Secure website certificate|Security certificate]] and device settings *[[Manage file types and download actions in Firefox|Download actions]] *[[Customize Firefox controls, buttons and toolbars|Toolbar customizations]] *User styles ({filepath chrome} subfolder containing {filepath userChrome} and/or {filepath userContent} [https://wikipedia.org/wiki/Cascading_Style_Sheets CSS files], if previously created.) {note}'''Note:''' The refresh will place your old Firefox profile on your desktop in a folder named “Old Firefox Data”. If your problem persists, you can partially restore lost information by [[Recovering important data from an old profile#w_copying-files-between-profile-folders|copying files to the newly created profile]]. If you no longer need this folder, we encourage you to delete it since it contains sensitive information.{/note}