Learn how to identify and open encrypted and protected emails no matter what email client you're using.

加密是将数据转换为代码以防止未经授权的访问的过程。 在 Windows 中，可以使用内置工具来加密文件和文件夹，确保只有具有正确解密密钥的个人才能访问内容。

The Xbox Offline System Update (OSU) process allows you to update your console by downloading a file to a USB flash drive and then installing that file directly onto your Xbox Series X|S or Xbox One console.

Microsoft Support

Microsoft Support

Starting in April 2026, social clubs on Xbox will no longer be available. Learn about alternatives for connecting, sharing content, and coordinating with other players.

A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

Xbox Support ... Xbox Support

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...

A file in SharePoint, OneDrive, or Teams is blocked. What do you do? Read this article to learn why this is happening and steps you can take.