This page provides phone numbers of Microsoft customer service.

Help to decide whether you should install the 32-bit Office version or the 64-bit Office version. Which version is right for you depends on how you plan to use Office. Find out about choosing between 32-bit Office and 64-bit Office.

Learn how to troubleshoot and fix Bluetooth audio connection issues in Windows 10 and 11.

Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

To change your profile picture in Microsoft Teams, click your existing profile picture and select the camera icon.

Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.

Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.

Learn how Smart charging in Windows can help your battery last longer over time.

If your Outlook.com account has been blocked, follow the instructions in this article to unblock it.