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Changing from 32 bit Thunderbird to 64 bit

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  • Last reply by christ1

plsl
plsl
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Is there a procedure for changing from the 32 bit Thunderbird to 64 bit? I am running Windows 10. Thanks

Is there a procedure for changing from the 32 bit Thunderbird to 64 bit? I am running Windows 10. Thanks

All Replies (1)

christ1
christ1
  • Top 25 Contributor
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Create a full backup of your Thunderbird profile. https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile

Uninstall the 32-bit Thunderbird.

Download the 64-bit Thunderbird installer from https://www.thunderbird.net/thunderbird/all/

Run the installer.