If you need help with Outlook.com, you can read our self-help content, or get support via email.

Find out how to manage your Xbox subscriptions to request a refund or cancel a recurring payment.

Learn how to change Internet Explorer settings, or reset browser settings when there's a problem.

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

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

Microsoft removed the ability to connect new third-party accounts such as a Gmail account and sync existing connected accounts from within Outlook.com.

可通过不同的方式删除应用和程序，因此如果找不到要查找的应用和程序，可以尝试另一个位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。

Troubleshoot problems you might be having with your mouse or keyboard, or other wireless device in Windows.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

View your Outlook email messages arranged by conversations to see messages that share the subject line grouped together.