Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

For assistance, please contact your system administrator. Please go BACK and follow another link, or manually enter a different URL. Cause This issue may occur if the administrator has set the authorization for the IAG Portal to something other than "allow all users". Resolution This behavior is by design.

Xbox Support ... Xbox Support

Completing Login...

访问 Microsoft 官方支持网站，获取全球范围内的产品和服务帮助，解决技术问题并提高生产力。

To contact us in Outlook.com, you'll need to sign in. If you can't sign in, click here. For other help with your Microsoft account and subscriptions, visit Account & Billing Help. To get help and troubleshoot other Microsoft products and services, enter your problem here.

Check Xbox services, games, and apps for service outages or functionality issues.

You can often view a protected file by simply opening it. For example, you might double-click an attachment in an email message, a document in File Explorer, or a link to a file and be able to open the protected file. If you are trying to open a protected file that has a .pfile name extension, like a .ppng, you will need to use the Microsoft Purview Information Protection viewer or the Azure ...

About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

Still need help? Chat with our support virtual agent for fast automated support, 24/7. If you need to contact us, ask the agent. Start a chat