Offline address book not updating outlook 2016
To turn on or off shared folder support when you are using Cached Exchange Mode, do the following: Cached Exchange Mode provides you with a better experience when you use a Microsoft Exchange account. This copy provides quick access to your data and is frequently updated with the mail server.If you work offline, whether by choice or due to a connection problem, your data is still available to you instantly wherever you are.Top of page When data is optimized for an Exchange connection type, the type of items that are synchronized with your server mailbox are different.For example, when you use a fast connection, Office Outlook 2007 copies the header, body, and attachments of an email item from the email server to your computer.Of particular interest is section 6 on testing the autodiscover service: “Step 6: Determine whether the autodiscover service is working, and check access to the Offline Address Book Note: If the Offline Address Book issue wasn’t resolved by using steps 1 through 5, follow this step for validation before you call Support.Check whether Outlook and the computer can access the Offline Address Book file on the server.
Cached Exchange Mode enables a better experience when you use an Exchange account.
What we found was an incorrect DNS record for autodiscover.
The autodiscover record in DNS was set to their hybrid server during the time that mailboxes were being migrated to Office 365, and had never been set to “autodiscover.outlook.com”, which is the correct setting for Office 365.
This was preventing updates to the OAB from downloading to Outlook clients.
Microsoft has a good support article for troubleshooting the OAB in an Office 365 environment located here.
When a slower connection is selected, only headers are automatically downloaded.