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Stefan Heller edited this page Sep 18, 2025 · 1 revision

What is Unified Contacts?

Unified Contacts is a productivity tool for Microsoft Teams. Visit the Readme page to understand the scope of the app.

Does Unified Contacts collect user data?

Unified Contacts does not store any data about the users or searched contacts.

Which directories are supported?

Currently, Unified Contacts supports searching for contacts in Azure Active Directory (Azure AD user and contact objects). Exchange Online and SharePoint Online Contact Lists

Do you support Active Directory and Exchange?

Active Directory Domain Services and Exchange on-premises are not supported in the current version of Unified Contacts.

Do you support Federation in Azure Active Directory?

This is currently not supported by Unified Contacts.

Can I find contacts in other Outlook contact folders than the standard contacts folder ?

Unified Contacts searches the default contacts folder for contacts. Access to other contacts folders or sub-folders is not supported.

What contact types are found by Unified Contacts in Azure AD?

Unified Contacts searches for user objects and mail contacts in Azure AD. Guest user accounts and mail user accounts are not found by Unified Contacts.

What type of numbers can be directly dialed from the app in Teams?

With click-to-dial you can call any phone number stored in your personal contacts (Outlook) and corporate contacts (Azure AD) with a single click. You can also start a Teams call with contacts having a Teams client.

Why can't I place phone calls?

In case you see the below error message after attempting to initiate a PSTN call from Unified Contacts, your user account is probably not enabled for the Microsoft Teams Phone System. Please contact your administrator for details.

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Does Unified Contacts work on mobile devices?

Yes, you can use the Unified Contacts natively in your Teams app on any mobile device.

How do you handle disabled user accounts?

Disabled user accounts are not displayed in the result views.

How do I clean the Teams desktop app cache?

Details can be found in the Microsoft Docs for different platforms: https://learn.microsoft.com/en-us/microsoftteams/troubleshoot/teams-administration/clear-teams-cache In case you are using the new Teams 2.0 Client you have to quit Teams and delete the content of %userprofile%\appdata\local\Packages\MSTeams_8wekyb3d8bbwe\