How To Download Global Address Book In Outlook [updated] May 2026

The process for Windows users is straightforward and can be initiated via the Ribbon or the File menu. Microsoft Learn Offline address books in Exchange Online | Microsoft Learn

Downloading the Global Address Book (GAB)—officially called the in Outlook—ensures you have access to your organization's directory even when you're working without an internet connection. how to download global address book in outlook

While Outlook typically syncs this data automatically every 8 to 24 hours, you may need to force a manual download if your contacts are out of date or if you’ve just joined a new organization. The process for Windows users is straightforward and