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Restoring accounts and local folders after uninstalling TB 115.0.1 and re-installing TB 102.13.1

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DougInToronto
DougInToronto
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Running Windows7 Was running current TB 102.13.1 Inadvertently installed TB 115.0.1, not working properly and degrading uninstalled TB 115.0.1 Downloaded and installed TB 102.13.1 but it would not use tyhe current profile, so it created a new one Is it possible now to recover from roaming/Thunderbird/profiles ... 

 -  my accounts (not sure where they would be)
 -  my local folders (I see what looks like the folders I had)

If so, how? Thanks ...doug

Running Windows7 Was running current TB 102.13.1 Inadvertently installed TB 115.0.1, not working properly and degrading uninstalled TB 115.0.1 Downloaded and installed TB 102.13.1 but it would not use tyhe current profile, so it created a new one Is it possible now to recover from roaming/Thunderbird/profiles ... - my accounts (not sure where they would be) - my local folders (I see what looks like the folders I had) If so, how? Thanks ...doug

All Replies (1)

Matt
Matt
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Downgrading is not supported. That us because the data structures in the profile folder are changed by the update process and there is no backward compatibility.

You can use the -allow-downgrade command line option I discuss here https://thunderbirdtweaks.blogspot.com/2019/09/i-lost-my-profilemail-on-update-to.html but you are almost certain to see something not make the transition.

A better result will be obtained by reinstalling 115 and fixing whatever the issue is. Personally I do not like the user interface, but to all intents and purposes it does appear to be well received and stable.