How to update to 56.0.2
I'm with Firefox 43 and want to update to 56.0.2. I've installed 56.0.2, but there all the tabs are missing. How do I transfer all my tabs from 43 to 56.0.2?
Chosen solution
@cor-el. Thanks, that worked, eventually. I backed up using MozBackup 1.5.1 (released 29 March 2011), uninstalled Firefox & deleted all profiles and Firefox folders, reinstalled Firefox 43, restored from the MozBackup backup, updated (Help — About Firefox — Check for updates — Update to ...) in two steps, first to 47.0.2, then to 56.0 (64 bit).
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Do you have a Mozilla account in Firefox 43? If you do, then login to the same account with 56.0.2 and sync the account and all your tabs and bookmarks should be there.
Regardless of what version of Firefox you are using the same user profile is used (unless you changed it).
What about the rest of your profile? settings, bookmarks, passwords . . . . .
@Warwick Hope. Doesn't seem to work. Versions 43 & 56.0.2 are on the same computer & will both start up.
@FredMcD. Bookmarks yes, Settings I think so (cookies, updates, add-ons), Passwords not saved.
Look on your desktop. Do you see a folder called; Old Firefox?
https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile
https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles
https://support.mozilla.org/en-US/kb/how-run-firefox-when-profile-missing-inaccessible
In the event that the passwords information is lost, you should record all information in a separate text file somewhere else on your hard drive, or written down. You can easily copy and paste if you need to do so. If you are concerned about someone else looking at that file, you can compress it using a password.
Please update to Firefox 60.0.1, 56 is no longer supported
@FredMcD. No, no Old Firefox. Re the links: I have only one profile, which is accessible. I don't store passwords in Firefox (so no problem there).
@Tyler. Quantum lacks essential add-ons (e.g. a useful cache browser, as far as I know).
There are tons of new add-ons that use Web Extensions, I'd suggest you check out addons.mozilla.org
Regardless, the security issues in Firefox 56 are severe enough that you should update to 60, as there is no add-on worth getting infected with malware over
@Tyler. No cache browser there that I can see. I'm sure you're right about security, but I've not had problems so far in versions 1–43.
Modified by sprok
You usually need to use the Update function in Firefox to ensure that migration code can do its job and update files in the profile folder properly (watershed; nsBrowserGlue).
Chosen Solution
@cor-el. Thanks, that worked, eventually. I backed up using MozBackup 1.5.1 (released 29 March 2011), uninstalled Firefox & deleted all profiles and Firefox folders, reinstalled Firefox 43, restored from the MozBackup backup, updated (Help — About Firefox — Check for updates — Update to ...) in two steps, first to 47.0.2, then to 56.0 (64 bit).
Modified by sprok