Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

An overview of location permissions and your privacy in the Microsoft Edge web browser.

Learn how to troubleshoot and use the clipboard in Windows to paste multiple items, pin items, and sync your clipboard to the cloud.

A Microsoft Exchange account is a work or school email account. The organization that gave you the Exchange email account is running a Microsoft Exchange Server, or is using Microsoft 365 which uses Exchange Server to provide email.

Learn how to change the email address or phone number that’s associated with your Microsoft account.

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.

Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.