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I want to reinstall windows 10, how do I make sure I do not lose anything, address book, archive mail, local folders, mail filters, ...

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I want to reinstall windows 10. After I reinstall windows 10, how do restore THUNDERBIRD back to the way it is now. I want to make sure I do not lose anything, address book, archive mail, mail folders, local folders, mail filters, ...

I want to reinstall windows 10. After I reinstall windows 10, how do restore THUNDERBIRD back to the way it is now. I want to make sure I do not lose anything, address book, archive mail, mail folders, local folders, mail filters, ...

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I am not a Wndows 10 expert. I just use it because that's what is provided by my employer. But I am surprised that the installer doesn't offer a way to automatically preserve and re-use all your personal data. I'd have thought you'd have more than just your email to look after.

Anyhow, if you're concerned just about your email, you need to make a backup of Thunderbird's profile. This contains your messages, filters, settings, address books, extensions and so on.

https://support.mozilla.org/en-US/kb/profiles-where-thunderbird-stores-user-data