Outlook errors marking task complete and sending task status report

Last Updated: November 6, 2020

ISSUE

When you select Send Status Report the To field is unexpectedly blank.

When you select Mark Complete an error occurs:

"We need to know who to send this to.  Make sure you enter at least one name."

Task error "We need to know who to send this to"

STATUS: INVESTIGATING 

A fix for this issue will first become available to Office Insider build 13505.10000 week of 11/9/20.  The fix is expected to go to Current Channel in the next major version 2011 ~11/23/20.  Build release updates are posted here for reference.  

If you urgently need to work around this issue, you can switch Office to the Semi-Annual Enterprise Channel 2002 Version.  This issue affects Office Versions 2004 and higher.  

Go to Change the Microsoft 365 Apps update channel for devices in your organization for detailed steps on switching to another channel version.

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See Also

Fixes or workarounds for recent issues in Outlook for PC

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