A workbook is a file that contains one or more worksheets to help you organize data. You can create a new workbook from a blank workbook or a template. By default, a new workbook contains three worksheets, but you can change the number of worksheets that you want a new workbook to contain. You can also add and remove worksheets as needed.

A guide to help you identify and access your Microsoft account. How to check if your email is a Microsoft account? Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address.

如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新 Windows 10 后未检测到麦克风，则表示你可能需要先授予应用相关权限才能使用它。

This is a subscriber-only, Microsoft 365 feature. Find your version. Design ideas for one photo Applies to: PowerPoint for Microsoft 365 Current Channel: Version 1511 or later Semi-Annual Enterprise Channel: Version 1602 or later Multiple photos, color extraction, and facial recognition

如何兑换礼品卡、Xbox 下载代码或令牌. Microsoft 和 Xbox 礼品卡以及下载代码和令牌的工作方式相同：兑换到 Microsoft 帐户后，可以在 Windows 或 Xbox 上将余额用于Microsoft Store 在线商店，并且可以获取最新应用、游戏、电影、电视节目以及 Surface、Xbox 和配件的下载。

Découvrez comment obtenir les dernières mises Windows jour pour assurer le bon fonctionnement et la sécurité de votre appareil.

Note: If your data is in an Excel table, the Transpose feature isn't available.You can convert the table to a range first, or you can use the TRANSPOSE function to rotate the rows and columns.

Turn your Windows PC into a mobile hotspot by sharing your internet connection with other devices over Wi-Fi. You can share a Wi-Fi, Ethernet, or cellular data connection.

In Windows 11, it is essential that you link your Microsoft account with the Windows 11 digital license on your device. Linking your Microsoft account with your digital license allows you to reactivate Windows using the Activation troubleshooter whenever you make a significant hardware change.

Learn more about updates for Windows 10, version 20H2 , including improvement and fixes, any known issues, and how to get the update.