Learn how reserved storage works in Windows to conserve disk space for temporary files, caches, and other files.

We believe that Microsoft Teams (free) is a place where minors can interact safely to build on friendships and meaningful community. We also know that keeping online experiences safe and positive involves more than building in permission settings and controls.

If you have Office 2007, Skype for Business 2016 won't be fully integrated with your Office programs. For example, you won't see the presence of your co-workers when you type an email in Outlook (by "presence" I mean you won't see whether they're available, busy, or away), and you won't have a few other features.

OneDrive for Business provides one place to store, share and sync your work or school files.

Microsoft is retiring the Windows legacy inbox Troubleshooters, such as Keyboard troubleshooter and Speech troubleshooter, and the Microsoft Support Diagnostic Tool (MSDT) that runs them.

Get the most out of your subscription with expert advice and support from small business advisors. Business Assist for Microsoft 365 is designed for small businesses to give you and your employees around-the-clock access to small business advisors as you grow your business, from onboarding to everyday use.

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。