For more, see Plan and configure Cached Exchange Mode in Outlook 2016 for Windows.My name is Nishith Gupta and I work as an Infrastructure Architect in Cognizant.
If you're an IT Pro planning a deployment of Office, you can also configure Outlook's Exchange connection mode options by using the Office Customization Tool (OCT) or Group Policy.
The second type of Exchange connection mode is Online Mode. While Cached Exchange Mode is the default and recommended mode, there are some known issues with this mode, including synchronization delays with shared items and address book updates see Known issues with Cached Exchange Mode.
Users who frequently work offline or without connectivity.
Outlook for Mac desktop versions (including 2016) support only Cached Exchange Mode.Ĭached Exchange Mode is the default and recommended configuration for most scenarios except those mentioned under When to use Online Mode.See Configure Exchange Online with Outlook or Windows Mail.