In Outlook, you have the flexibility to make Outlook work online or offline with your mail server. Select a tab option below for the version of Outlook you're using.

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

Learn more. Fix problems with apps from Microsoft Store. Manage your purchases from the Microsoft Store. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

為您的群組聊天命名，以協助釐清交談的主題。 視訊通話. 開啟或關閉視訊通話。 音訊通話 開啟或關閉音訊通話的音訊。 共用螢幕 與群組聊天中的參與者共用您的螢幕。 檢視及新增參與者 檢視參與者清單，並將人員新增至群組。

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

若要深入了解，請參閱加入 Teams 會議影片。. 透過連結加入. 若要加入 Teams 會議，您僅需要一個連結。 選取會議邀請中的 [ 立即加入會議]，以帶往可讓您加入加入網頁或下載傳統型應用程式的頁面。 如果您已經有 Teams 應用程式，會議會自動隨即開啟。

Find operating system info in Windows 8.1 or Windows RT 8.1. To find out which version of Windows your device is running, press the Windows logo key key + R, type winver in the Open box, and then select OK.. If your device is running Windows 8.1 or Windows RT 8.1, here’s how to learn more:

你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。 要创建安装介质，请转到软件下载网站，你可以在这里找到分步说明。 在该网站上，你可以选择 Windows 版本，并使用 U 盘或 DVD 创建自己的安装介质。

Virtualization lets your PC emulate a different operating system, like Android™ or Linux. Enabling virtualization gives you access to a larger library of apps to use and install on your PC.

Whether it's for work or personal use, you can connect to a virtual private network (VPN) on your Windows PC. A VPN connection can help provide a more secure connection and access to your company's network and the internet, for example, when you’re working from a coffee shop or similar public place.