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. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

Important: If you already set up your work or school account in the Microsoft Authenticator app, you don't need to do it again. Go to the Security info page using the steps above. Select Add sign-in method. Select Choose a method and then Authenticator app.

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.

Certificate errors occur when there's a problem with a certificate or a web server's use of the certificate. Internet Explorer helps keep your information more secure by warning about certificate errors.

The first step to use S/MIME is to obtain a certificate from your IT administrator or helpdesk. Your certificate might be stored on a smart card, or might be a file that you store on your computer. Follow the instructions provided by your organization to use your certificate.

请务必在更改你的帐户位置之前，花掉 Microsoft 帐户中的资金。. 我们无法在地区之间转移资金。. 当你在新的区域进行第一笔消费时，系统将提示你更新帐单信息。. 若要更改你的帐户地区，请使用下列选项之一：. Windows 11 Windows 10 Xbox Online Microsoft 帐户. 选择 ...

Select Start , then select Settings > Personalization > Themes. Choose from a default theme or select Get more themes from Microsoft Store if you want to download new themes with desktop backgrounds that feature cute critters, breathtaking landscapes, and other smile-inducing options. Get more themes in Microsoft Store.

解决方案. 若要解决此问题，请选择另一个玩家代号。. Xbox Live 玩家代号是唯一且个人的。. 我们不允许使用不同空格创建相同的玩家代号，从而保护此唯一性。. 例如，如果采用“Coolgamertag”，则意味着也采用“Cool gamertag”和“cool gamer tag”。.

Detailed information about downloading and using Microsoft Authenticator in China. The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Get answers in the Microsoft 365 community forums. Sign in to Microsoft 365 admin center with your Microsoft 365 admin account, and select Support > Help and support, enter your question and select Contact support. If you're an admin on the account you can also call (800) 865-9408 (toll-free, US only).