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download new version of Thunderbird

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I use thunderbird for a long time, now the suystem ask me to download a new version, my question is: if I do that, will I keep all my actual configuration, means all my folders and all the messages stored in. Thanks for your help. Best regards.

I use thunderbird for a long time, now the suystem ask me to download a new version, my question is: if I do that, will I keep all my actual configuration, means all my folders and all the messages stored in. Thanks for your help. Best regards.

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if I do that, will I keep all my actual configuration, means all my folders and all the messages stored in.

Yes, profile files with all your data are stored separately from the Thunderbird program files. The program files are static and do not change (except when you upgrade the Thunderbird application version). Because we store profile and program files separately, you can uninstall Thunderbird without losing your messages and settings, and if something goes wrong with a Thunderbird update your information will still be available. It also means that you don't have to reinstall Thunderbird in order to delete your information or troubleshoot a problem.

Having said that, it's always recommended to create backups of your Thunderbird profile on a regular basis. https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile

As of version 78.0, Thunderbird only supports MailExtensions. If you're using any add-ons at all, your favorite add-ons may not have been updated for compatibility.

You may also want to check the release notes for the new version before upgrading. https://www.thunderbird.net/thunderbird/releases/