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

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

Learn how to find which version of Windows operating system your PC is running and device specifications.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by:

Note: If the steps under this New Outlook tab don't work, you may not be using new Outlook for Windows yet.Select the Classic Outlook tab and follow those steps instead.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

The type of support Microsoft provides for consumers depends on the product you're calling about and if you have a product for home or for business use. It can also depend on if you want help for an issue with a service like OneDrive or Outlook.com, or help with Windows, but you don't have an existing Microsoft 365 subscription.

If you're moving from a Windows 7 or Windows 8.1 PC to a new Windows device, you'll find that the best way to get apps and games is through Microsoft Store.

Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.