The performance of Outlook 2016 for Mac can be affected by the number of folders and calendar items associated with your user profile.
Item |
Maximum |
Version |
---|---|---|
Folders |
10,000 per profile across mail, calendar, contacts, tasks, and notes. This count includes local folders that aren't part of the online account. These are listed under On My Computer. |
Outlook version 15.36 and later |
Folders |
500 per profile |
Outlook version 15.36 and earlier |
Calendar items |
5,000 per profile |
All |