When the Office 2011 14.5.0 update was released, it was initially noteworthy for the fact that in certain circumstances it removed Office’s license. Shortly thereafter, Outlook 14.5.0 became noteworthy for the fact that Outlook’s main window (which displays the mailboxes, list of emails, calendars and other functions) was now invisible.
Another thing that was curious was that this problem did not affect everyone. It seemed to affect only those who met both of the following conditions:
- Macs running 10.10.x
- Accounts that had mailbox subfolders and had those mailbox subfolders expanded at the time of quitting Outlook.