From: jollyroger@pobox.com   
      
   On 2022-01-18, John Hill  wrote:   
   >   
   > I've two accounts in Mail.app. Both have a mailbox titled Conversation   
   > History. I didn't create them, and there has never been anything in   
   > either.   
   >   
   > What are they for? Presumably they are "smart" in some way.   
      
   That's a Microsoft feature (typically associated with Outlook) that was   
   used to store Skype/Teams/etc messages you received while you were away.   
   It's possible these accounts were previously used in Outlook.   
      
   --   
   E-mail sent to this address may be devoured by my ravenous SPAM filter.   
   I often ignore posts from Google. Use a real news client instead.   
      
   JR   
      
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