For this method, you’ll need to have Outlook downloaded onto your Mac computer. Here’s how to sync iCloud contacts with Outlook for Mac: On your Mac computer, create a file called “Outlook Contacts” or whatever you’d like. Assuming you already have Outlook for Mac downloaded onto your computer, open Outlook and select “People”. Someone has granted you permission to access one of their calendars and you want to open it in Outlook 2016 for Mac. Here's how: Important: To open another person's calendar, both you and the other person must have a Microsoft Exchange account and the account owner must grant you permission.
Outlook For Mac 2016 Calendar On My Computer Sync With Exchange Itunes
Is your exchange server in house or hosted? We have trouble with any shared calendars on Exchange Online where there is a delay if you switch a calendar that isn't yours but I have never known that to happen to an onsite exchange server.
How To Sync Outlook Calendars
I would at least try to rebuild the OST file as the first step. If syncing is slow, you will definitely want to have cached mode on. Also check for any attached PST files as they have been known to slow things down under certain circumstances. Finally, how big is the mailbox overall?