Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

1 TB at your fingertips. Protect your precious files, documents, and memories with OneDrive. You get 1 TB of cloud storage with a Microsoft 365 subscription, and can back up and share your files and photos with friends and family across all your devices.

A family group is a set of individuals connected through the Microsoft Family Safety app on their Windows, Xbox, or mobile devices. Establishing a family group is an easy, effective way to encourage healthy online habits and manage busy schedules.

Microsoft Edge 是 Microsoft 推荐的浏览器. 对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束。 如果访问的任何网站需要 Internet Explorer 11，则可以在 Microsoft Edge 中使用 Internet Explorer 模式重新加载它。

How to determine what is causing the problem after you do a clean boot. If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup application or service is causing the problem by systematically turning them on or off and restarting the computer.

If you're planning to sell or gift your Windows 10 device or your Xbox One console, make sure you've removed all personal info from it. Reset a Windows 10/11 device

After you upload photos , OneDrive helps you organize and find them. You can browse your memories fast with our new customizable Gallery, or find a photo based on where it was taken, what is in the photo, and whether it is a video, screenshot, document, and more!

When you mark email as junk, you can report the message to Microsoft to help improve the accuracy of the junk email filter. To set junk email reporting options, select Settings > Mail > Automatic processing > Junk email reporting.. Specify when to send junk email reports

Know your limits Many email service providers set limits for the number of names that can be included in the To, Cc, and Bcc boxes in a message. For example, your email service provider may limit each message to a maximum of 100 email addresses. If these addresses are distributed among the To, Cc, and Bcc boxes, remember that the names in the Bcc box will count toward your total limit.

Get help and learn how to use Skype with Microsoft's official support page.