Create and send personalized email messages to everyone on your address list with mail merge.

Learn how to share documents, links, and pictures with nearby devices using Bluetooth or Wi-Fi in Windows.

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.

Learn how you can manage cookies and site data you've temporarily allowed in Microsoft Edge.

Use Outlook for Android on your phone or tablet to add your Outlook.com, Microsoft 365, Exchange-based email, or IMAP or POP email account.

Learn how to log in to Microsoft Teams with your Microsoft 365 account. This step-by-step guide from Microsoft Support walks you through the process of accessing Teams on desktop, web, and mobile devices.

Learn how to free up space for Windows update including deleting nonessential files, using an external hard drive, and updating your hard drive.

Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

了解如何管理 Microsoft 帐户安全信息和排查验证码问题。

When you use InPrivate tabs or windows, your browsing data isn't saved on your PC once you're done.