Environment
Micro Focus iPrint Appliance 3.2
iPrint for OES 2018
Situation
On Windows 10 version 1803 S mode when trying to print through QuickPrint using the Edge browser, the "unsupported format" error is immediately returned when trying to print Microsoft office documents.
Resolution
Contact Micro Focus support and request the FTF linked to Bug 1114646.
Cause
Only applications from Microsoft app store can be run on the machines with Windows 10 in S mode. This has caused that Edge will not pass the mime-format of the office document to iPrint. Hence iPrint could not detect the proper format and returning the "unsupported format" error.