Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

Find out how to stop Windows Security from alerting you about or blocking a trusted file, file type, or process, by adding it to the exclusions list.

Just upgraded to Windows 10? Please see Known issues with Office and Windows 10, which covers issues specific to that operating system.

If a Dynamic Lighting-compatible device is connected to your PC, Dynamic Lighting will take control of your device’s lighting and set a static effect that matches your Windows accent color.

了解如何在 Microsoft Edge 中启用 Adobe Flash。

Protect your most important files in OneDrive Personal Vault with an extra layer of security. Learn how to set up, lock, or unlock Personal Vault.

本文介绍如何在 Windows 8.1、Windows 8、Windows 7 或 Windows Vista 中使用系统文件检查器工具来解决丢失或损坏的系统文件的问题。

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Learn how to use your voice to create and edit documents in Word with the Dictate feature. Find out how to enable, customize, and troubleshoot Dictation.

Learn about using the Morph transition in PowerPoint to automatically create animations, movements, and effects on pictures, images, and other characters in your presentation.