: Click the Send / Receive tab at the top of the ribbon.

To download the offline address book in Outlook 365, go to the tab, click Send/Receive Groups , and select Download Address Book . This feature creates a local snapshot of your organization’s directory, allowing you to search for colleagues and resources without an active internet connection. How to Manually Download the Offline Address Book (OAB)

: This feature is exclusive to the desktop application and is not available in Outlook on the web.

While Outlook 365 typically updates this list every 24 hours, you can force a manual sync to see recent changes immediately.

[best] Download Offline Address Book Outlook 365 May 2026

: Click the Send / Receive tab at the top of the ribbon.

To download the offline address book in Outlook 365, go to the tab, click Send/Receive Groups , and select Download Address Book . This feature creates a local snapshot of your organization’s directory, allowing you to search for colleagues and resources without an active internet connection. How to Manually Download the Offline Address Book (OAB) download offline address book outlook 365

: This feature is exclusive to the desktop application and is not available in Outlook on the web. : Click the Send / Receive tab at the top of the ribbon

While Outlook 365 typically updates this list every 24 hours, you can force a manual sync to see recent changes immediately. go to the tab