Training: Get up and running quickly on Skype for Business with this Quick Start.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。

Learn about Xbox online safety so you can manage your family's accounts.

Learn what's new in Microsoft Edge like new privacy tools, language settings, and more extensions.

AutoSave is a new feature available in Excel, Word, and PowerPoint for Microsoft 365 subscribers that saves your file automatically, every few seconds, as you work.

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Obtenga información sobre cómo grabar la reunión de Teams. Capture audio, vídeo, actividad de uso compartido de pantalla y solucione problemas de grabaciones en Microsoft Teams.

Help for Microsoft mobile apps on Android and iOS devices. Find how-to articles and video tutorials for Samsung Galaxy and iPhone. Learn how to link your Microsoft 365 mobile apps, including Outlook, OneNote, and Your Phone.

Summary. This article helps you reset the Hosts file back to the default. What's the Hosts file. The Hosts file is used by the operating system to map human-friendly hostnames to numerical Internet Protocol (IP) addresses which identify and locate a host in an IP network.