Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

Important: The row-major calculation order also applies across worksheets within a workbook and is based on the order of the worksheets within the workbook.If you use multiple worksheets to analyze data with Python in Excel, make sure to include data and any variables storing data in cells and worksheets preceding the cells and worksheets that analyze that data.

View and reply to an encrypted message without Microsoft 365 using Outlook for PC. If you're not using Outlook with Microsoft 365, your encrypted message will contain a link in the message body.

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

A flow chart shows sequential steps in a task or process. There are many different SmartArt layouts that you can use to illustrate the steps in a process, including layouts that can contain pictures.

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How to use the LOOKUP function in Excel to search in a single row or column and find a value from the same position in a second row or column.

Learn about the UNIQUE function, which returns a list of unique values in a list or range. UNIQUE is in a class of functions called dynamic arrays.

Visio is a diagraming tool that makes it easy and intuitive to create flowcharts, diagrams, org charts, floor plans, engineering designs, and more by using modern templates with the familiar Office experience. On this page, you can access some of the top templates and sample diagrams available in Visio, or request ones that you want. To see the hundreds of templates and sample diagrams ...

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。