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Still on an older version of Thunderbird and looking to upgrade? Luckily the process is fairly straight-forward.
Before we begin
Third-party Add-ons may require an update, or may no longer work on newer versions of Thunderbird. During the upgrade process Thunderbird may prompt you about any such Add-ons.
Once you have done that ensure your computer is compatiable with the latest version of Thunderbird.
Next you'll want to check which version of Thunderbird you currently have installed. Please see Find what version of Thunderbird you are using for more information.
If you are on version 70 or below
Due to changes with how the address book is stored you will have to manually upgrade to version 78.14.0 first. This will upgrade your address book to the newer format that later Thunderbird versions use.
Now that you're on version 78, you can follow the directions for the full upgrade below.
If you are on version 78 or above
You're all set to upgrade to the latest version! Simply head on over to thunderbird.net, and click "Free Download", and install it once it is downloaded.
And that's it, you've now upgraded to the latest version of Thunderbird! The interface may have changed a bit from the version you were previously on. We recommend spending a bit of time familiarizing yourself with any interface changes.
Don't hesitate to reach out if you need assistance. We have a fantastic Support Knowledge Base with pre-existing topics that may be of use. Can't find a topic for your particular need, try asking a question to our dedicated community.