Import passwords from a previous version of Firefox

I need to import passwords from a previous version of Firefox (3..0.5) in version 28.0. I've read other threads, but they refer to signons.sqlite I did not, on the contrary, there is a key3.dB (which does not seem to contain valid details but with names/passwords encrypted. However, I have a signons3.txt.
What would be the best way to import them, preferably without uninstalling V28, install 3.0.5 transfer the necessary files, then the upgrade several times until the signons.sqlite is created?

Hello, Screwball, key3.dB to the .sqlite database change first occurred between versions 3.0.x and 3.5.x.

try to download a portable version of firefox 3.5 to http://sourceforge.net/projects/portableapps/files/Mozilla%20Firefox%2C%20P.E.%20Legacy/Mozilla%20Firefox%2C%20Portable%20Edition%203.5.8/ and then extract its contents into a folder. When you look in the folder it should be a named subfolder 'data' - in there manually create another folder named 'profile' and put the old key3.db and signons3.txt in this profile folder. Then, run the old portable application once and see if it will convert the file key3.dB in sqlite format that you can import (in collaboration with signons3.txt) in your current profile of the firefox installed...

Tags: Firefox

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