症状. _xlfn。 prefix 显示在公式中的函数前面。 计算公式时，会显示 #NAME？ 。 原因. Excel 工作簿包含当前运行的 Excel 版本中不支持的函数。

Resolution. Remove the unsupported functions, or if possible, replace the unsupported functions with supported functions. Note: These functions are available if you have a Microsoft 365 subscription. Find your Office version.

Most email apps like Outlook are able to automatically configure email server settings. If you need server settings or help finding your server settings, click on one of the links below: Server settings for Hotmail, Outlook.com or Microsoft 365 for business email accounts. Find your Exchange ActiveSync mailbox server settings.

If you encrypt an Outlook message that contains voting buttons, message recipients won't be able to see them. That feature isn't supported at this time. Create an email message or reply to or forward a message that you received. On the Options tab, in the Tracking group, click Use Voting Buttons.

The IFS function checks whether one or more conditions are met, and returns a value that corresponds to the first TRUE condition. IFS can take the place of multiple nested IF statements, and is much easier to read with multiple conditions.

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