Use the People App to organize, add, create, view, and edit contacts. Getting to the People App To access the app, go to View more apps on the left side of Teams. Search for “people” or select it from the list of preinstalled apps.

Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.

1. 使用Microsoft帐户登录. 系统将提示你使用 Microsoft 帐户登录 . 如果移动设备上已有Microsoft帐户，系统会要求确认帐户，然后单击“ 继续”。 如果你的移动设备上没有现有的Microsoft帐户，系统会要求你登录帐户或创建一个新帐户，然后单击“继续”。 2.

Learn how to troubleshoot File Explorer problems in Windows. To open File Explorer in Windows 10, select its icon on the taskbar, press the Windows logo key + E on your keyboard, or select Start > Documents (directly beneath your user icon).. Here are some things to try if File Explorer won't open.

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.

On the Choose an account screen, click the Microsoft account button.; On the Add your Microsoft account screen, enter the email address and password associated with your Microsoft account.; On the Make it yours screen, you'll have the option to make this Microsoft account your primary account. (This makes sign-in, settings, and syncing happen automatically for all other Microsoft services.)

If you trust a file, file type, folder, or a process that Windows Security has detected as malicious, you can stop Windows Security from alerting you or blocking the program by adding the file to the exclusions list.

附註: 如果您是透過下列其中一種方式取得 Microsoft 365，安裝 2019、2016 或 2013 版本的 Office 專業增強版、Office 標準版或獨立應用程式 (例如 Word 或 Project) 的步驟可能會有所不同： Microsoft 工作場所折扣計劃 (先前稱為軟體家用計畫)：如果您是透過貴公司購買 Microsoft 365 供個人使用，請參閱透過工作 ...

Try sending email from another app or device: If you have another email app or another computer or mobile device, try sending and receiving email from that app or device. If you can't, there might be an issue with your email server. Contact your email provider for support.

Get up to speed with Microsoft Office by using these cheat sheets for quick reference and mastering keyboard shortcuts.