You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox ...

Open Snipping Tool. There are four ways to open Snipping Tool: Select the Start button, enter snipping tool, then select Snipping Tool from the results. Press Windows logo key + Shift + S for a static image snip. Press Print Screen (PrtSc) for a static image snip.

Microsoft Authenticator is a mobile app that helps you sign in to all your accounts without using a password. Notes: Microsoft Authenticator is not available for PC or Mac as authenticator apps are typically designed for smartphones for security reasons. Learn more.

Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof Intelligence from Microsoft 365 Advanced Threat Protection and Exchange Online Protection help prevent phishing messages from reaching your Outlook inbox.

If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version. Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

If you intend to change your email password, you must do that with your email provider (e.g., Microsoft 365, Gmail, Yahoo, iCloud, Xfinity, or a corp. Exchange server). Then you will need to update the password in Outlook.

Add Authenticator as a way to sign in every time. Using a one-time password code increases account security. This is called two-step verification. Add Authenticator as the only way to sign in - just tap an approval on your phone to sign in. This is called going passwordless.

下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转 ...