Change default contact list in Microsoft Outlook?

Adjusting the default address book? This adjustment helps to avoid that you always look in the wrong global address list.
Open Outlook 2016 to customise the default contacts list

Then select options from the address book menu
At the top right you can click on Address Book

Please indicate your preferred address book
If the desired result is that you want to find all colleagues in your organisation, you should activate the global address list.

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