https://bugs.winehq.org/show_bug.cgi?id=37396
--- Comment #3 from Rounak Singh rounaksingh17@gmail.com --- For the last two points on the previous comment.
--Ignore the first one, it is surely related to this bug. All is happening because of PDF/A(ISO 19005-1) option.
--For second point, please confirm that Clicking on "send as attachment" under "Save & Send" does no attachment in email, when using Word on Windows OS.
Regards.