Calendar shows the organizer's name instead of the subject

Possible solution

In some cases it may happen that the ios calendar does not display an appointment title. This is due to a misconfiguration in the Exchange Server environment. your administrator must make a few configurations for this.

The same applies if no appointment titles are displayed.

We refer you to Microsoft. If necessary, please configure them on test systems first. We do not take responsibility for your systems or the following fixes:

Check out Microsoft Docs.