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An unknown error has occurred in Outlook. Mail could not be sent. The message has been moved to your Drafts folder.Error Code: -19979

Posted on 2016-09-06
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Last Modified: 2016-09-06
Outlook for Mac Office 365 version 15.25 (160817) - Office 365 licensing.

Seems after an update Outlook is no longer able to send any messages. They all get saved to the drafts folder after the above subject message is displayed.

There is nothing in an outbox, all in drafts. Receiving messages works as per normal.

I saw a bunch of people complaining about this after the update on Microsoft forums but no solution that I could see. Hosted Exchange.

Anyone? Help!
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Question by:Kai
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Accepted Solution

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Kai earned 0 total points
ID: 41787015
I got a pre-release package form Microsoft support:

Microsoft_Outlook_2016_15.26.0_160831_installer.pkg

I installed it and it fixed my issue!

Thanks,

Kaj
0
 

Author Closing Comment

by:Kai
ID: 41787018
I got a pre-release package form Microsoft:

Microsoft_Outlook_2016_15.26.0_160831_installer.pkg

I installed it and it fixed my outlook issue!

Thanks,

Kaj
0

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