Pick a team and channel. A team is a collection of people, conversations, files, and tools — all in one place. A channel is a discussion in a team, dedicated to a department, project, or topic.. The best way to get familiar with teams and channels is to pick a team and channel and start exploring! Select Teams on the left side of the app and then pick a team.

In Excel, show items or values in logical groups like months or quarters for ease of summarizing and performing data analysis.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

Learn how to customize the Quick Link menu and other navigation on your SharePoint site.

Learn how to protect your PC, identity, and data from tech support scams.

Learn how to create survey forms with Microsoft Forms and easily share them with students, parents, and colleagues.

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.

可通过不同的方式删除应用和程序，因此如果找不到要查找的应用和程序，可以尝试另一个位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Digital signatures provide assurances about the validity and authenticity of digital documents.