Outlook 2016 won't Start

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phrab

Senior Member
Outlook version
Outlook 2016 64 bit
Email Account
IMAP
Message is "Cannot start Microsoft Outlook. Cannot open the Outlook window. The set of folders cannot be opened. The information store could not be opened."
 
Don't know what happened. I rebooted & Outlook now starts. However, it started with the Inbox instead of the calendar, so somehow, the options had changed. I changed it back, but I don't know what caused it all of a sudden.
 
Thanks, Diane. As far as I know, there were no updates installed on the reboot. I haven't been doing updates lately because when Win 10 updates, I get a black screen, so I've been waiting to update my drivers after a backup. But maybe something happened in the background without me knowing.
 
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