若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

If you get an email from Microsoft account team and the email address domain is @accountprotection.microsoft.com, it is safe to trust the message and open it.. Microsoft uses this domain to send email notifications about your Microsoft account.

Add your email account. Depending on the device you're using, select one of the links below for help on adding your account: Set up email in the Outlook for Android app

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Establishing internet boundaries is an important way to protect yourself and your family from inappropriate web content. Microsoft Family Safety web and search filters work across any Windows, Xbox and mobile device that has the Microsoft Edge browser and Family Safety apps installed.

Important: If you want to delete the last or the only email account you have in classic Outlook for Windows, you'll receive a warning that you must create a new location for your data before removing the account.For more information, see Create an Outlook Data File.

For help with checking your balance from an Xbox console, see Check your Microsoft account balance on an Xbox console. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

Saving to Microsoft account is currently available in US, AU, GB, CA, DK, FR, JP, MX, KR, BR, and will be available to more regions in the future.

Examples. See various examples in the figure below. Look closely at the use of the TEXT function in the second example in the figure. When you join a number to a string of text by using the concatenation operator, use the TEXT function to control the way the number is shown. The formula uses the underlying value from the referenced cell (.4 in this example) — not the formatted value you see ...

Note: UEFI passwords are used primarily by enterprises and IT professionals to limit the types of changes that employees can make to their devices.If you're part of an enterprise, contact your IT administrator if you have any questions or issues with your UEFI password. If you aren't part of an enterprise and choose to create a UEFI password, make sure to document your password in a safe place.