Forum Discussion
Categories in Group Calendars
Hi all We use group/team site calendars heavily within our organisation and departments. Up until recently, users have been able to tag/categorise calendar entries within group calendars that the...
I was experiencing the same issue but may have found a workaround. When trying to open the shared mailbox via 'Open another account', the URL showed that the shared mailbox was John.Doe(at)company.com, since this is an email address on the mailbox. However, if I replaced the email address in the URL with the UPN (or the primarySMTPaddress) of the shared mailbox, then I was able to open the shared mailbox (https://outlook.office.com/mail/jdoe(at)company.com).
I would recommend checking this if you're still experiencing problems.
cleonard nope, unfortunately that just tells me "This username may be incorrect. Make sure you typed it correctly. Otherwise, contact your admin."
