查找 Microsoft Excel 帮助和学习资源。 了解如何有效使用 Excel 的指导文章、指南、培训视频和提示。

Discover a range of Microsoft 365 training videos and tutorials to enhance collaboration and productivity.

When numbers are actually stored in cells as text, problems with calculations or sorting can occur. Read this article to learn how to fix this problem.

When you install this package, the following packages or updates are installed per your operating system: In Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1, .NET Framework 4.7.2 is listed as an installed product under the Programs and Features item in Control Panel.

The Tasks app in Microsoft Teams brings together your individual tasks from To Do and Outlook with your team tasks from Planner so you can more efficiently cross them off your lists.

Export Outlook email, contacts, and calendar to move them to another computer or so that you can make a backup of your information.

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

Training: Watch and learn how to use Word in Windows. Explore Microsoft Word training guides, articles, and how-to videos.

Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification