How to Download and update The Global Address List (GAL) in MS Outlook / O365 / 2016.
How to fix if Outlook Search is not working or fetching the email ID for existing user in outlook or domain.
- In outlook Select Send/Received tab.

- Click on Send/Receive Groups drop down Icon.

- Select the Inbox you have issue in.
- Select the option Download Address Book.
- Update by clicking Send/Receive, selected account will start updating Global Address Book from server to your computer.
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Microsoft Outlook
Operating System Windows 7/10