View previous versions of a file. If your file is stored in OneDrive or SharePoint in Microsoft 365, you can go back to a previous version of file.

Notes: To find an item in the Choose commands from list, it may be helpful to first confirm its location and name within the app. Commands that are no longer visible in the app could still be listed here under All commands.To help identify this type of command, a more descriptive tooltip name may appear in parentheses next to the legacy command name in this form:

如果您需要开展复杂的统计或工程分析，则可使用分析工具库以节省步骤和时间。 为每项分析提供数据和参数，此工具将使用适当的统计或工程宏函数来计算并将结果显示在输出表格中。

Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.

Tip: If you don’t like the name of the template (usually Book 1), click the name in the Excel for the web title bar at the top of the page and type a different name.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

The classic cold-call scam. The scammers call you and claim to be from the tech support team of Microsoft or another company. They offer to help solve your computer "problems".

Appends arrays vertically and in sequence to return a larger array. Syntax =VSTACK(array1,[array2],...) The VSTACK function syntax has the following argument:

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Automatically fill a series of data in your worksheet, like dates, numbers, text, and formulas. Use the AutoComplete feature, Auto Fill Options button and more.