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When I upgrade to new version, if my passwords and other saved forms will be lost?

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I have registered in several sites and I have saved all passwords in Firefox itself. Those are very important for me. When I upgrade Firefox to a new version, then my passwords will lost? Or it will all be there in new version also, when I upgrade? Can I take a back up of all this password data? Please give me a reply as soon as possible.

Thank you.

I have registered in several sites and I have saved all passwords in Firefox itself. Those are very important for me. When I upgrade Firefox to a new version, then my passwords will lost? Or it will all be there in new version also, when I upgrade? Can I take a back up of all this password data? Please give me a reply as soon as possible. Thank you.

All Replies (1)

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Profile is a folder which store all your personal data in a safe place

https://support.mozilla.com/en-US/kb/Recovering%20important%20data%20from%20an%20old%20profile