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Some archived messages missing after updates

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Thunderbird and Windows 11 both updated yesterday or today. In several archive folders, messages since about a year ago are now missing. Is there a way to restore to the folder contents as of about 24-48 hours ago? Inbox, Deleted, etc do not seem to be affected.

Thunderbird and Windows 11 both updated yesterday or today. In several archive folders, messages since about a year ago are now missing. Is there a way to restore to the folder contents as of about 24-48 hours ago? Inbox, Deleted, etc do not seem to be affected.

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