Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Learn how to create and add a signature to email messages you send in Outlook.com.

了解有关在 Windows 中通过网络共享文件的信息。

Training: Watch these videos to help your school, work, or organization use Microsoft Teams to video conference, work remotely, and become proficient using Teams.

Learn how to change app notifications, banners, and sound settings in Windows.

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With online threats getting more advanced day by day, it is important to prioritize the safety of your web browsing. Microsoft Edge offers several features and practices that can enhance your online security and protect your personal information.

Sign in to account.microsoft.com, then select Order History on your Rewards page.

Find and open File Explorer in Windows 10 and Windows 11, and customize Quick access by pinning and removing files and folders.

Learn how to avoid "fake order" scams that try to trick you into paying for products you never ordered. Read this short article from Microsoft Support.