To learn about digital signatures (also known as digital ID), what they can be used for, and how to use them in Word, Excel, and PowerPoint, see All about digital signatures. Create a signature line in Word or Excel (desktop) In the document or worksheet, place your pointer where you want to create a signature line. On the Insert tab, select Add a Signature Line in the Text group. In the ...

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Find everything you need to manage your Microsoft account, Xbox profile, and more.

在 Apple 裝置上進行雲端遊戲 全部展開 在您支援的網頁瀏覽器上播放 請確定您具備最低系統需求

Xbox Support ... Xbox Support

可通过三种方式将 Microsoft Authenticator 与你的帐户配合使用： 添加 Authenticator 作为验证登录的一种方式。 这样，即使忘记了密码，也可以登录。 添加 Authenticator 作为每次登录的一种方式。 使用一次性密码代码可提高帐户安全性。 这称为 双重验证。 添加 Authenticator 作为 登录的唯一方式 - 只需点击 ...

Learn how to add all your different accounts to the Microsoft Authenticator app.

In certain countries and regions, mobile operator billing can be used as a payment option to buy subscriptions like Game Pass and content such as games, apps, music, HD movies, and TV shows on your Xbox console and Xbox.com.

If you are prompted to select an app, select Open with > Information Protection Viewer. If you see a page to Sign in or Sign up, click Sign in and enter your credentials.

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.