Learn to set up your Android mobile device with popular Office apps like Word, Excel, PowerPoint, and OneNote. You can also set up email using the Outlook for Android mobile app.

Warning dialog boxes appear when programs are blocked from accessing your contacts or attempts to send email messages on your behalf.

We would like to show you a description here but the site won’t allow us.

We would like to show you a description here but the site won’t allow us.

Frequently asked questions (FAQs) about Smart App Control, a Windows feature designed to block malicious, untrusted, or potentially unwanted apps from running on your device.

Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows 11、Surface 等的操作方法文章、视频和培训。

Windows Hello is a more personal and secure way to sign in to your Windows device. Instead of using a password, with Windows Hello you can sign in using facial recognition, fingerprint, or a PIN. These options help make it easier and safer to sign into your PC because your PIN is only associated with one device, and it's backed up for recovery with your Microsoft account. You can use the ...

Explore Microsoft SharePoint basics: sign in, create sites and pages, manage documents and lists, share content, and set permissions securely.

You can view your Xbox purchase history on your Xbox console or the web. Use the steps below to review your info or get help with a charge that you don’t recognise.

Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your "issue" fixed, it's better to be safe and not click any links or provide any personal information.