Outlook 2016 cached mode global address book not updating

Summary: Learn about the two Exchange connectivity modes that you can use for Outlook 2013 deployments—Cached Exchange Mode and Online Mode.

Audience: IT Professionals Decide which connectivity mode, Cached Exchange Mode or Online Mode, is appropriate for your environment.

When changes occur within the main Global Address Book (GAL) on the Office 365, computers running Outlook 20/2016 may not automatically receive the ...

Synchronizing your Outlook (cached) address book with the Global ...

to the Global Address List, you can force Outlook to download a new copy of the GAL. **NOTE** Please read this section carefully, or your update will not work!!

not updating with Exchange 2010 and Outlook 2010 ...

update-offlineaddressbook -Identity "Default Offline Address List" ...

The cached mailbox and OAB are updated periodically from the Exchange Server computer.So log in to OWA and test if you can see the new users there.I’m giving it a 99% chance that you will (and if you don’t you have a serious problem at hand!The user can select Cached Exchange Mode or Online Mode during account setup or by changing the account settings.You can also deploy one mode or the other by using the Office Customization Tool (OCT) or Group Policy. But we can point you in the right direction if you want to learn how to turn on Cached Exchange Mode in Outlook 2013 or change how much email to keep offline.

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