Monday, 18 January 2016

Issues: Outlook 2016 issues for IMAP email accounts where you cannot delete emails from the Inbox, and the bug happens to be because of a configuration in the email account’s Advanced settings.

Issues: Outlook 2016 issues for IMAP email accounts where you cannot delete emails from the Inbox, and the bug happens to be because of a configuration in the email account’s Advanced settings.

Solutions:

In Outlook 2016, go to File – Account Settings.
 
 
3.    Open the IMAP account and then choose the More Settings… option.
4.    Make sure the Deleted Items settings match the following…
 
 
 
 
Note: This issue with some of the IMAP service provider since we have tested it with Gmail/Yahoo/Outlook etc. and it worked.
 
You May be interested to know why it is now working:
Outlook 2016 is RFC compliant. As part of that change, it now chokes if the UIDVALIDITY returned by the mail server is 0. Microsoft is considering making a change to accept a UIDVALIDITY of 0, but they're really hoping the mail server providers will make the fix.