Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

Notes: If you know your password, but just want to change it, go to account.microsoft.com Security tab, and select Change my password. If you know your username and password but they have stopped working, read My username and password have stopped working.

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

As you're getting your Microsoft 365 business subscription set up, you'll want to download and install your Microsoft 365 apps, like Word, Excel, Microsoft Teams, and PowerPoint, on your PC or Mac.

了解如何在 Internet Explorer、Firefox 或 Safari 等不受支持的浏览器上加入 Microsoft Teams 会议 使用手机进行会议音频 如果在不支持通话或会议的浏览器中加入会议，并且会议邀请中有电话号码，则需要使用电话进行音频。

To change your screen resolution, use the drop-down menu under Display resolution.. Note: You should use the Recommended resolution. If you change the resolution, content might appear blurry or pixelated.

如需了解详细信息，请观看加入 Teams 会议视频。 通过链接加入 只需通过一个连接即可加入 Teams 会议。 在会议邀请中选择“ 立即加入会议”，将其带到一个页面，你可以在其中选择加入 Web 或下载桌面应用。 如果你已拥有 Teams 应用，会议将自动打开。 如果 ...

Um Unterstützung in Outlook.com zu erhalten, klicken Sie hier, oder wählen Sie in der Menüleiste Hilfe- aus, und geben Sie Ihre Abfrage ein. Wenn ihr Problem durch die Selbsthilfe nicht behoben werden kann, scrollen Sie nach unten zu Benötigen Sie weitere Hilfe? und wählen Sie Ja aus.. Um uns in Outlook.com zu kontaktieren, müssen Sie sich anmelden.

Important: Microsoft accounts, the Windows operating system, and other Microsoft products include passwords to help secure your information.This article provides some options that you can use to reset or recover your password if you forget it. Be aware that, if these options don’t work, Microsoft support can't help you retrieve or circumvent a lost or forgotten password.

Important: Office 2007 is no longer supported. Learn how to upgrade to a newer version.If you still need to install this version, you'll need an Office 2007 installation disc and a product key for the version you're trying to install.