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How do I set thunderbird to show me how many messages are in a folder (both read and unread)?

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The Extra Columns Add in does not seem to work with the new version. Is there a way to add those columns natively now? If not, how do I revert back to a version where the Extra Columns add on will work?

The Extra Columns Add in does not seem to work with the new version. Is there a way to add those columns natively now? If not, how do I revert back to a version where the Extra Columns add on will work?

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In my version of Thunderbird the option View > Layout > Folder Pane Columns appears to provide that information. Is that available in yours?

Modified by amanchesterman