Make sure you have the latest Windows update or Mac OS update and Teams app version installed. To check for updates in Teams, go to your profile picture in the upper-right of the Teams app then select Settings and more ... > Check for updates. Updates install in the background if they are available.

Warning When removing an email alias that’s connected to a Microsoft domain (such as @Outlook.com, @Live.com, or @Hotmail.com), that email is completely deleted from our systems and can’t be used to send or receive emails. It won’t be available for use again as an alias on another account. Microsoft doesn’t recycle email addresses, so it can’t be reclaimed at a future time.

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...

当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。但是，Windows 安全中心已预安装并可随时使用。

如果在操作中心中按 "连接 "按钮在Windows 10中找不到设备，请尝试以下操作：. 查看操作中心来查看你的 Windows 设备是否支持蓝牙。 如果是这样，操作中心中蓝牙 按钮。 请确保其处于打开状态。

You can delete your account from the Microsoft Authenticator app, and you can delete your device from your work or school account. Typically you delete your device to permanently remove a lost, stolen, or old device from your account, and you delete your account to try to fix some connection issues or to address an account change, such as a new ...

注: Windows 11 にアップグレードするには、デバイスが Windows 11 の最小システム要件を満たしている必要があります。 一部の Windows 10 機能は、Windows 11 では使用できません。 一部の Windows 11 の機能とアプリを体験するためのシステム要件は、 Windows 11 の最小システム要件を超えます。

If you're running Windows 8.1 or earlier, or if your PC doesn't meet the minimum system requirements to run Windows 11, consider moving to a new Windows 11 device. Find a PC that meets your needs. Set up your Microsoft account to transfer files and favorites. One account connects your device across Microsoft apps and services like Microsoft 365, OneDrive, Edge, and Microsoft Store.

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?

To keep an area of a worksheet visible while you scroll to another area of the worksheet, go to the View tab, where you can Freeze Panes to lock specific rows and columns in place, or you can Split panes to create separate windows of the same worksheet.