Global Address List (GAL)

Definition of Global Address List (GAL) in The Network Encyclopedia.

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What is GAL (Global Address List)?

A list of all recipients in a Microsoft Exchange Server organization. The Exchange directory service maintains the Global Address List (GAL) in the Exchange directory database. The GAL typically contains

  • Mailboxes
  • Custom recipients
  • Distribution lists

The GAL can be accessed by

  • The Exchange Administrator program
  • Microsoft-based messaging clients using Messaging Application Programming Interface (MAPI), such as Microsoft Outlook
  • Lightweight Directory Access Protocol (LDAP) clients using TCP/IP, such as Microsoft Outlook Express
  • Hypertext Transfer Protocol (HTTP) clients such as Web browsers using Outlook Web Access

Public folders are the only form of Exchange recipient not contained within the GAL.