On 05.03.2020 16:26, Jerry wrote: > On Thu, 5 Mar 2020 12:53:32 +0100, Claudius stated: >> There are multiple bug reports about this and MS seems to have fixed it >> once in Outlook 2010 but broke it again sometime later. > Outlook 2010 is ancient. Exactly where did you find these bug reports? > Have you tried submitting a new bug report? I assume you are using the > latest version of MS Outlook. > I think I was confusing it with the last working version. 2010 didn't have the issue. 2013 has/had it.
Here is the thread I bookmarked when trying to resolve this before giving up and shelving it: https://social.msdn.microsoft.com/Forums/en-US/8eafe714-8a8c-44bc-9228-d6a68731494f/outlook-2013-behavior-as-an-imap-client I think nothing has been fixed as Outlook still does APPEND. Regards, Claudius