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How do I migrate a profile from earlier version of firefox

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New User

How do I migrate a profile from earlier version of firefox

I have a saved profile - /home/geoff/.cache/mozilla/firefox/qy6upj4t.default/ This is an old profile organization that has been retained (presumably) by backwards-compatibility. This directory contains Cache/ _CACHE_CLEAN_ OfflineCache/ safebrowsing/ startupCache/ thumbnails/

So where can I find the profile -- bookmarks, passwords, etc, and how do I transfer them to the current (23.0) Linux version?

Thanks/

13 REPLIES
Grand Master

Re: How do I migrate a profile from earlier version of firefox

New User

Re: How do I migrate a profile from earlier version of firefox

Thanks. Unfortunately, the organization of the profile on the saved directory bears little resemblance to the organization used by version 23. Had I backed up my profile, there would not be a problem. Regretably, I did not.

New User

Re: How do I migrate a profile from earlier version of firefox

What would work for me would be to somehow direct firefox to the old directory, i.e., /backup/home/user, from which firefox would pick up the profile contents.

SUMO Contributor

Re: How do I migrate a profile from earlier version of firefox

Your folder names are different than what I see on Windows, but what you find under .cache probably is not your profile folder, but only the companion cache folder. Do you have anything more like:

~/.mozilla/firefox/qy6upj4t.default/

(Not sure what the ~ represents, but I have read that .mozilla is a hidden directory.)

New User

Re: How do I migrate a profile from earlier version of firefox

Yes. I have ~/.cache/mozilla/firefox/qy6upj4t.default/ (~ represents the user's home directory) However, the contents of this directory are not the same as the version 23 directory.

Support Forum Moderator

Re: How do I migrate a profile from earlier version of firefox

How old is that "earlier version of firefox"?

Firefox 4.0 and newer should pose no problem, and Firefox 3.0, 3.5, and 3.6 versions should be similar as far as the bookmarks and password files, but there are multiple differences in other files with the 4.0-plus files.

That "Recovering important data ..." support article mentions 11 specific files and one folder, which of those 12 items are you having a problem with?

About the only thing you can "direct" Firefox to restore from a folder is the bookmarks-yyyy-mm-dd.json backup files in the \bookmarkbackups\ folder in that old Profile folder. All other files need to be transferred manually via copy'n'paste replacing the existing files in the new Profile folder.

New User

Re: How do I migrate a profile from earlier version of firefox

I've been using Firefox since it was Mozilla, so that would be quite a while :-) Sorry, no idea of what the version was.

Regretably, I don't have any of the files mentioned in the "Recovering important data ..." article. My ~/.cache/mozilla/firefox/qy6upj4t.default/ directory has these subdirectories: Cache/ _CACHE_CLEAN_ OfflineCache/ safebrowsing/ startupCache/ thumbnails/

Site Moderator

Re: How do I migrate a profile from earlier version of firefox

The "~/.cache/mozilla/firefox/<profile>" directory is the location of the cache folder as you can see by its name (more programs have their cache here).
The main profile folder is in "~/.mozilla/firefox/<profile>/", so if you didn't backup this folder then the data stored here is gone.

New User

Re: How do I migrate a profile from earlier version of firefox

I have a full backup of my home directory. Including "~/.mozilla/firefox/<profile>/". That (default) profile does not conform to the current standards. I assume that it is in a previous format. Any way to deal with that?