When you downgrade Firefox and use a new profile, any profile that was used in the higher version is still available in the Profile Manager, for use in a more recent version of Firefox. If you try to launch a Firefox installation with a profile that was last used in a more recent version, you'll see a warning that using an older version of Firefox can corrupt profile data such as bookmarks and browsing history:Ĭlick the Create New Profile button to start Firefox with a new profile. Any previous profile data is saved and associated with the first Firefox installation opened after the change. Starting with Firefox version 67, each Firefox installation requires a separate profile. You’ll have to create a new profile to avoid corruption issues. Operation Systems: Windows, Linux, macOS, Android, and iOS. What happens to my profile if I downgrade to a previous version of Firefox? Once you sign in to your Firefox account on Firefox, any data saved to Sync from other installation of Firefox should appear. I am a Sync user, will my saved data still remain synced? Now, keyboard users would be able to do it all with ease too, with or without any assistive technology running, without needing to memorize. Recover user data missing after Firefox update Sidebar switcher allows users to access Bookmarks, History and Synced Tabs panels easily, quickly switch between them, move the sidebar to another side of the browser window, or close the sidebar.

Profile Manager - Create, remove or switch Firefox profiles.Directions are available in these articles: You can use the Profile Manager for each installation, to set a new default profile. Get started with Sync here.Ĭan I change which Firefox installation uses a previous profile? You also get additional benefits like sending tabs and secure password storage. Sync is the easiest way to make your profiles consistent on all of your installations of Firefox. If you would like the information you save to Firefox to be the same on all installations, you can use a Firefox account to keep them in sync. Your profile data will be different for each installation of Firefox. You will not lose the personal data or customizations you had before, since your old profile data is saved and associated with the previous Firefox installation. If you install a new, additional installation of Firefox, a new profile will be created.

This makes Firefox more stable when switching between installations on the same computer, and also allows you to run different Firefox installations at the same time. Firefox uses a dedicated profile for each installation of Firefox, including Nightly, Beta, Developer Edition and Extended Support Release (ESR) installations. Some users have multiple installations of Firefox, each in separate application program folders. What happens if I have more than one installation of Firefox? This profile is stored in a location separate from the Firefox application program files.

7 I already use separate profiles for my different Firefox installationsįirefox saves information such as bookmarks, passwords and user preferences in a set of files called a profile.

6 What happens to my profile if I downgrade to a previous version of Firefox?.

5 I am a Sync user, will my saved data still remain synced?.

4 Can I change which Firefox installation uses a previous profile?.

2 What happens if I have more than one installation of Firefox?.

* the icon will either be found in the folder called chrome or browser depending on the version of Firefox you are installing. * command will be the path to firefox executable as shown in the videos Remember, as shown in the video, that a person needs to turn off the automatic updates in Firefox, to keep the older version, otherwise you will soon have the latest version again.ģ) Move the installation a to place where all users on the system can access it We will also look at, in the video, how to integrate this version of Firefox nicely into Ubuntu. Today we are looking at how to install Older Versions of Firefox on Ubuntu 18.04, this will work on all supported versions of Ubuntu.

Older firefox versions