本文介绍 Microsoft Excel 中 MID 和 MIDB 函数的公式语法和用法。 说明 MID 返回文本字符串中从指定位置开始的特定数目的字符，该数目由用户指定。 MIDB 根据您指定的字节数，返回文本字符串中从指定位置开始的特定数目的字符。

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Training: In Microsoft Excel, you can create a table to easily group and analyze data. Then you can quickly format the table and apply a design style. Watch this video to learn how.

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What is a security key? We currently support several designs and providers of security keys using the Fast Identity Online (FIDO2) passwordless authentication protocols. These keys allow you to sign in to your work or school account to access your organization's cloud-based resources when on a supported device and web browser.

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语言包会向 Microsoft 365 添加其他显示、帮助或校对工具。你可以在安装 Microsoft 365 之后安装其他语言配件包。如果说明中称语言配件包已经进行了部分本地化，则 Microsoft 365 的某些内容仍将以你的 Microsoft 365 副本的语言显示。

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在此示例中，单元格 D2 中的公式表示：IF(C2 = 1, then return Yes, otherwise return No)如你所见，IF 函数可用于计算文本和数值。它还可用于计算错误。不仅可以检查一项内容是否等于另一项内容并返回单个结果，而且还可以根据需要使用数学运算符并执行其他

Pour résoudre cette erreur, essayez de relancer le jeu ou l'application : Appuyez sur le bouton Xbox de votre manette pour ouvrir le guide.; Mettez en surbrillance le jeu ou l'application que vous essayez de lancer et appuyez sur le bouton Menu .; Sélectionnez Quitter.Si "Quitter" n'est pas disponible, alors il est déjà fermé.