Updating global address list
Please visit the document on How to turn on or off Cached Exchange Mode for (Outlook 2010, and Outlook 20).Outlook 2011 does not use Exchange Cached mode and directly connects to the Global Address Book (GAL) via LDAP connection.Note for Mac Users: Mac versions of Outlook do not connect to the Exchange server in the same way as PC versions.Every time a Mac checks for new mail, it also updates the GAL.It can be accessed when using a CUMC email (@cumc.columbia.edu) account with Outlook or when logged in to the Outlook Web App.If you are not seeing correct contact information in the GAL for someone that has a valid email address (i.e.Therefore, there is no need for equivalent instructions for the Mac operating system.If you're having issues with your Outlook address book, such as a new employee's information not showing up, there may be a simple solution.
By default in Exchange Online, the Address List role isn’t assigned to any role groups.
Please use the steps below to update your Global Address Book.
In order for some GAL entries to show up properly you may need to turn off Cached Exchange Mode.
This article shows how to manually update the Global Address List (GAL) in Outlook (version 2010 and above).
The Global Address List is a directory of contact information that is stored in a central place called the Exchange Server.