MozillaZine


Importing from old firefox

User Help for Mozilla Firefox
Xirix
 
Posts: 61
Joined: January 10th, 2006, 7:32 am

Post Posted June 6th, 2021, 4:18 am

I'm currently using Firefox 89, the portable version. I've got an old long unused version of firefox on my PC (version 28) that I'd like to migrate all the info from, bookmarks, history, saved passwords etc, is it possible to grab all that and insert it into my up to date version, whilst still keeping the bookmarks and history etc of my current version?

jscher2000

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Posts: 11396
Joined: December 19th, 2004, 12:26 am
Location: Silicon Valley, CA USA

Post Posted June 6th, 2021, 10:05 am

Probably you will need to use some intermediate versions to upgrade the old profile because the conversion code is not retained indefinitely.

You could get the old portable for Firefox 45 and see whether it can handle upgrading the Firefox 28 profile. Then try Firefox 52, 60, 68, and 78 before Firefox 89.

https://sourceforge.net/projects/portableapps/files/Mozilla%20Firefox%2C%20Portable%20Ed./

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