Get started in Microsoft Teams (free). If you're just getting started, use the articles below to get yourself, friends, and family started on Microsoft Teams for personal use.

Notes: You don't need a smartphone to receive a security code. Text messages may come from either "MSFT", a short number, or a mobile number.If you have requested a security code, you can trust the message that arrives.

注意: 在Windows中获取驱动程序更新的最佳和最安全的方法始终是通过Windows 更新。如果在Windows 更新时遇到问题，则可能会看到 Update Windows 中的任何链接是否可帮助你先解决问题。

Training: Learn how to quickly get started with Microsoft 365, share and collaborate, work in Microsoft Teams, work from anywhere, and try cool Microsoft 365 features.

注意 在某些情况下，你可能无法运行游戏服务修复工具，除非你在电脑上以本地管理员身份登录。 当 Windows OS 为 20H1 或更早版本时，会发生这种情况。 如果无法运行游戏服务修复工具，则需要更新 Windows OS 版本。

Note: If you have a current version of Microsoft 365, then you can input the formula in the top-left-cell of the output range, then press ENTER to confirm the formula as a dynamic array formula. Otherwise, the formula must be entered as a legacy array formula by first selecting two blank cells, input the formula in the top-left-cell of the output range, then press CTRL+SHIFT+ENTER to confirm it.

Outlook 2021 for Windows lets you better manage your inbox with the addition of new capabilities including Search at Top and Translator. If you're upgrading to Outlook 2021 for Windows from Outlook 2019, for Windows you'll still have all the features you're used to—and you'll notice a few new ones as well!

To find Sync settings, select Start , then select Settings > Accounts > Sync your settings . Choose from settings such as language preferences, passwords, and color themes. If you turn on Other Windows settings, Windows also syncs some device settings (for things like printers and mouse options), File Explorer settings, and notification preferences.

Note: If you want to let someone know about a meeting, but not invite them, simply drag the meeting request from your calendar to the Mail icon on the lower left side of Outlook. This opens an email with information about the meeting that you can send out. Note that this email doesn't add the recipient(s) to the meeting, and it only contains meeting information such as date, time, subject, and ...

Looking for a long-lost app or program? There are several ways you can find what you need. Select Start , and then scroll through the alphabetical list on the left (if your Start screen is set to show as full screen, select All apps, and then scroll through the list).