Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Use Sway to create and share interactive reports, presentations, personal stories, and more.

Last updated: July 2024. For issues that are not covered on this page, we have multiple tools to help you automatically diagnose and fix a range of Outlook problems.

Play MP4 files in Windows 10 by right-clicking the file and choosing what application to open it with.

With the Microsoft Forms Quick Poll app for Microsoft Teams, you can create a poll in seconds right within your Teams channel.

Teams in Microsoft Teams are collections of people, content, and tools surrounding different projects and jobs.

Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app: