Switch user When you switch user accounts in Windows, you move between different user accounts on the same device without closing any applications or ending the current session. This allows multiple users to access their own accounts and workspaces quickly, without disrupting the flow of work. It’s particularly useful if a device is shared among several people. To switch user, select Start ...

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...

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 ...

You can use the Settings app to configure Enhanced Sign-in Security. In the Settings app on your Windows device, select Accounts > Sign-in options or use the following shortcut:

If you forgot your work or school password or have been locked out of your account, you can use your security info and your mobile device to reset your work or school password.

Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

Learn how to manage and set device screen time limits on Windows, Xbox, and mobile devices connected through the Microsoft Family Safety app.

Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. Only the recipient who has the private key that matches the public ...

在 Mac 上啟用Microsoft 365或 Office 2024 按一下 Dock 中的 [Launchpad] 圖示以顯示所有 App。 點擊 Microsoft Word 圖示，或 (Launchpad Microsoft 365 或 Office 圖示) 。 當您啟動 Word 時， [新功能] 視窗會自動開啟。 按一下 開始使用 以開始啟用程序。

Learn how to set up your user account for multifactor authentication with Microsoft 365.