Get support for all Office.com apps, including Excel, Word, and PowerPoint, with step-by-step guidance and troubleshooting.

Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.

New to Xbox gaming on PC? Here's how to get started. Find out how to play with cloud gaming on devices you already have

Under Personalization & advertising, turn on or off the setting for Allow Microsoft to save your browsing activity including history, usage, favorites, web content, and other browsing data to personalize Microsoft Edge and Microsoft services like ads, search, shopping and news.

Learn how to use OneDrive Files On-Demand to sync your OneDrive files and save disk space in Windows 10.

Find out how to customize an Xbox Wireless Controller with the Xbox Accessories app.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

使用 Windows 中的“设置”应用通过蓝牙发送文件。