Some apps in Teams have personal app capability, letting you use them outside of a channel or chat, but still within Teams. Learn to add, access and use personal apps.

Choose your mobile device. For more info, see Set up Office apps and email on a mobile device. Training: Get up and running quickly on Skype for Business with this Quick Start.

Find your friends to play and chat. Your friends list shows you what your Xbox friends are up to and lets you interact with them. Jump straight into a text or party chat (one on one or in a group), join a friend’s PC game or invite them to yours, and look for people to follow.

Learn to use an app or specific file in a tab in Microsoft Teams, including adding, removing, getting a link to a tab, and more.

Apps for SharePoint are small, easy-to-use, stand-alone applications that perform tasks or address specific business needs. You can add apps to your site to customize it with specific functionality or to display information such as time and expense tracking.

共享游戏帖子. 查看帖子时，点击“共享”图标与好友共享帖子。. 该操作将打开“发送到聊天”屏幕。. 选择发送到现有对话，或开始一个新对话。. 对于现有对话：在“发送到聊天”屏幕上，选择好友或组以共享帖子。. 发送帖子时，将看到一条确认消息 ...

Build collaboration with apps in a meeting. Encourage real-time collaboration and ideas among meeting attendees with whiteboarding apps, survey apps, and more. After joining a meeting, select Apps to add an app to your meeting. Search for and choose an app, and then follow the steps to add it.

Add apps through a QR code. Use your mobile’s camera to scan a QR code and add an app to Teams. Add apps to Teams mobile version through browser, link, or QR code.

Follow these steps to temporarily turn off real-time Microsoft Defender antivirus protection in Windows Security. However, keep in mind that if you do, your device may be vulnerable to threats. Select Start and type "Windows Security" to search for that app.

Most apps (and other programs, like games or utilities) that were created for earlier versions of Windows will work in the most recent versions of Windows 10 and Windows 11, but some older ones might run poorly or not at all. Here are some ways to fix common issues with older programs.