Describes how to get firmware and driver updates for Microsoft Wireless Display Adapter.

Team owners can add guests to Microsoft Teams by adding their email address. Guests must have a Microsoft 365 work or school account.

更改第一页上的页眉或页脚，或者文档中的任何其他页面。

当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。但是，Windows 安全中心已预安装并可随时使用。

秘密度バーを満たす. 秘密度バーは、Word、Excel、PowerPoint のファイル名の横にあるアプリのタイトル バーにあります。

Microsoft doesn't make or support Outlook Express anymore. But the Mail Migration add-on can help you move your email and contacts over to Outlook.com. The add-on automatically moves your email and contacts, and you can keep your current email address.

Surface devices get updates through Windows Update. Find out what's included in each update and how to manually update your Surface. Select your device from the following list to see its update history.

Choose from a variety of Surface devices and accessories to get help.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Add names to a contact group (distribution list). Use a contact group (formerly called a “distribution list”) to send an email to multiple people—a project team, a committee, or even just a group of friends—without having to add each name each time you want to send them an email message.