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How do I downgrade from version 76 to version 71 or 68 on Windows? (why? Accidentally updated, and a crucial addon is not compatible with any version after 71)

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  • Last reply by Wayne Mery

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How do I downgrade from Thunderbird version 76 to version 71 or 68 on Windows 10? (Why? I accidentally updated, and a crucial addon is not compatible with any version after 71). I am happy with either 32-bit or 64-bit.

How do I downgrade from Thunderbird version 76 to version 71 or 68 on Windows 10? (Why? I accidentally updated, and a crucial addon is not compatible with any version after 71). I am happy with either 32-bit or 64-bit.

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Uninstall TB 76 and install TB 68. Don't run TB from the last window of the installer. Windowskey+R, type thunderbird.exe -p --allow-downgrade When the Profile Manager appears, select your existing profile and see if TB starts with all data showing. This is not guaranteed, so report back if it doesn't work.

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Good advice from sfhowes.

Also, it might be interesting to know what add-on it is that you need?