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Is there any way to back up about:config settings?

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I'm back to using Firefox for Windows. What is great about Firefox it's so customizable what is bad about Firefox is it's so customizable. I searched the forums for customizations that I wanna do and more often than not they are settings in the about:config section. Is there any way to back them up so that way if mess up something or if I can't remember the changes That I made to the about:config file Especially if I'm either migrating to another computer or reinstalling Firefox.

I'm back to using Firefox for Windows. What is great about Firefox it's so customizable what is bad about Firefox is it's so customizable. I searched the forums for customizations that I wanna do and more often than not they are settings in the about:config section. Is there any way to back them up so that way if mess up something or if I can't remember the changes That I made to the about:config file Especially if I'm either migrating to another computer or reinstalling Firefox.

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