Learn how to play different type of CDs and DVDs in Windows Media Player.

The Inbox Repair tool doesn't connect or analyze any data stored in an Exchange mailbox. The tool only looks for errors (corruption), and if there are any, gives you the opportunity to allow the tool to fix those errors. If you can't start the Inbox Repair tool, you should try to repair your Outlook program.

Learn how to properly shut down, sleep, or hibernate your PC with guidance from Microsoft Support.

In Outlook, the black color theme includes dark mode, which provides a black background (instead of white) for the message window. You can switch to a white background for the message window if you prefer.

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

In the new Teams, you can switch between apps, respond to chat messages, and join meetings and calls more quickly while using less battery and memory.

Windows 10、Windows 8.1、および Windows 7 用の Windows Media Player 12 の入手方法について説明します。

Microsoft アカウントパスワードをリセットまたは変更する方法について説明します。 忘れた Microsoft アカウントのパスワードに関するヘルプを表示します。

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

Use the Windows Settings app to change your default browser.