Features of Outlook Groups you want to know

If you have an Office 365, Work or School account, you can engage with your team even on the go via Outlook Groups. The app allows you to participate in group email conversations and view, co-author Office documents (Word, Excel, PowerPoint) shared with your group. The best part is all the conversation takes place in a secure environment as the service enforces secure communication protocol (HTTPS) for all communication channels over a public network.

Outlook Groups is a simple app for Windows Mobile that works on Windows 10 Mobile and Windows Phone 8.1. It allows you to participate in the latest discussions, share photos and notes and collaborate on files. Some unique features accommodated in Outlook Group for Windows Mobile are,

Outlook Groups Features


Transport security

If you are a mobile carrier, the mobile version of the app uses certificate pinning to establish trust. Furthermore, the service only supports certificates signed by well-known Root Certification Authorities for communication between users and Office 365 services.

Data storage and security on the device

Outlook Groups app uses mobile operating system’s encryption and security to lock the data so that the app data is completely segregated from other apps and there’s no remote possibility to access it.

When Outlook Groups service is used in a group, it makes sure that no files, calendar or another data are stored by it. Only user’s display name, email address and encrypted user token in the service which is used for authentication and app notifications remain visible and appear on the screen.


OAuth protocol is a type of protocol that offers secure authorization in a simple and standard method. This helps in offering client applications a secure delegated access, without needing to share the user’s credentials (username and password).

All said, if you find Outlook Groups nothing more than a nuisance and would like to turn it off, here’s how to proceed.

  1. Open the Outlook Groups mobile app.
  2. On the app bar at the bottom, tap … > Notifications.
  3. Turn off notifications for each group individually.

Get started at groups.outlook.com (UPDATE: The link is no longer active)

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The author Hemant Saxena is a post-graduate in bio-technology and has an immense interest in following Windows, Office and other technology developments. Quiet by nature, he is an avid Lacrosse player. Creating a System Restore Point first before installing a new software, and being careful about any third-party offers while installing freeware is recommended.

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