Typically, most organizations have only one GAL, because users can only see and use one GAL in Outlook and Outlook on the web (formerly known as Outlook Web App). For more information, see Hide recipients from address lists.īy default, a new Exchange Online organization has a GAL named Default Global Address List that's the primary repository of all recipients in the organization. You can hide recipients from all address lists and GALs. For more information, see Recipient filters for address lists in Exchange Online PowerShell. Precanned recipient filters or custom recipient filters identify the recipients that are included in address lists and GALs. For more information, see Modify role groups. To use any cmdlets or features that require the Address List role, you need to add the role to a role group.

Here's an example of what address lists look like in Outlook 2016:įor procedures related to address lists, see Address list procedures in Exchange Online.īy default, the Address List role isn't assigned to any role groups in Exchange Online. Users in your organization use address lists and the GAL to find recipients for email messages. OABs are used by Outlook clients in cached Exchange mode to provide local access to address lists and GALs for recipient look-ups. Offline address books (OABs): OABs contain address lists and GALs. Exchange Online comes with several built-in address lists, and you can create more based on you organization's needs. You can create additional GALs to separate users by organization or location, but a user can only see and use one GAL.Īddress lists: Address lists are subsets of recipients that are grouped together in one list, which makes them easier to find by users.

Global address lists (GALs): The built-in GAL that's automatically created by Exchange Online includes every mail-enabled object in the organization. These are the different types of address lists that are available: When you create or modify recipients in your organization, they're automatically added to the appropriate address lists. Address lists aren't static they're updated dynamically. You can filter by recipient type (for example, mailboxes and mail contacts), recipient properties (for example, Company or State or Province), or both.

Address lists are based on recipient filters. An address list is a collection of mail-enabled recipient objects in Exchange Online.

Mac addresses list