If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

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

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Describes the reasons why you must enable the settings in the "Restricted/Permitted snap-ins" folder before you enable the "Restrict users to the explicitly permitted list of snap-ins" Group Policy setting in Windows XP and in Windows Vista.

If you have child accounts in your family, your sign-in preferences give you control over your kids’ access to content and ability to buy from the Microsoft Store.

Try our Sign-in Helper for quick assistance signing in to your account:

联系 Microsoft 支持人员。查找常见问题的解决方案，或从支持专员那里获取帮助。

Enable FPS boost and auto HDR to enhance your gameplay experience for your favorite backward compatible games on your Xbox Series X|S console.

Home Users If you need help downloading, installing, or activating Windows or Office, need technical support or have any account & billing related questions, select the Get help button below.Describe your problem, and we'll provide self-help or connect you to the most appropriate support, which may include chat or request a call — we’ll call you, so you don’t have to wait.

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.