Hi,
Does this issue only happen to this client?
Are you using a custom form?
Please first try to reset your calendar current view and check the result. To do this, please click View > Reset View.
>>Possibly it's a user-profile issue? Any way to easy test this or to reset the mail profile?
Currently, it is hard to say where is the root cause. You could
create a new profile to see if it is related with personal settings.
Any updates, please feel free to tell us.
Regards,
Perry
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