A guide to help you identify and access your Microsoft account. How to check if your email is a Microsoft account? Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address.

Argument name. Description. range (required). The group of cells you want to count. Range can contain numbers, arrays, a named range, or references that contain numbers. Blank and text values are ignored. Learn how to select ranges in a worksheet.. criteria (required). A number, expression, cell reference, or text string that determines which cells will be counted.

When you check Outlook Desktop for the Teams Meeting Add-in by going to File > Options > Add-ins, then select Go next to COM Add-ins, the Teams Meeting Add-in is missing.

虚拟化可让你的电脑模拟不同的操作系统，例如 Android™ 或 Linux。 通过启用虚拟化，你可以访问更大的应用库，以便在电脑上使用和安装。 如果你在电脑上从Windows 10升级到Windows 11，这些步骤将帮助你启用虚拟化。

Note : Once you've signed in, Skype will remember your sign in information when you close Skype or sign out and choose to remember your account settings. If you don't have a Skype or Microsoft account: Visit Skype.com from your browser and download Skype.

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

Choose Open all, or Open all in new window, or Open all in new InPrivate window.

If you are planning to use Teams free or if you were a guest in an org, you can connect and collaborate by downloading and installing another version of Microsoft Teams (work or school) and signing in with your Microsoft account or the guest account where the invite was sent to.

Manage your Virus & threat protection settings. Use Virus & threat protection settings when you want to customize your level of protection, send sample files to Microsoft, exclude trusted files and folders from repeated scanning, or temporarily turn off your protection.. Manage your real-time protection. Want to stop running real-time protection for a short while?

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.