https://bugs.winehq.org/show_bug.cgi?id=44580
--- Comment #3 from marlemion quatze@t-online.de --- Ok, I have bisected this issue down to this commit:
https://github.com/wine-mirror/wine/compare/b21eb6733fab6d777886a8e0271cecb8...
Before this commit, everthing works fine, after it, Outlook is broken.