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GROUPBY-function - Microsoft Support
The GROUPBY function allows you to create a summary of your data via a formula.It supports grouping along one axis and aggregating the associated values. For instance, if you had a table of sales data, you might generate a summary of sales by year.
Applies To: Excel for Microsoft 365
Manage Microsoft 365 payment information and billing for your business
Learn how to manage the payment information and billing for your Microsoft 365 subscription.
Change a theme and make it the default in Outlook or Access
To change your current theme in Outlook or Access, you can either switch to a different one or create a new theme altogether.
Applies To: Outlook for Microsoft 365, Access for Microsoft 365, Outlook 2021, Access 2021, Outlook 2019, Access 2019, Outlook 2016, Access 2016
激活 Office - Microsoft 支持
如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
Solucionar problemas de sonido o audio en Windows
Descubre cómo solucionar problemas de sonido o audio en Windows. Los problemas de hardware pueden deberse a controladores obsoletos o que no funcionan correctamente.
在 Windows 中查找 BitLocker 恢复密钥 - Microsoft 支持
了解在 Windows 中查找 BitLocker 恢复密钥的不同方法,并了解如何在系统上激活 BitLocker。
How to find Bluetooth settings in Windows - Microsoft Support
Learn how to find and adjust Bluetooth settings and Bluetooth options in Windows.
How to use alarms and timers in the Clock app in Windows 10
Learn how to use the Clock app in Windows 10. To launch the app, select Start and select Clock from the app list or type its name into the search box.
Microsoft Bing help - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Meet Windows 11: The basics - Microsoft Support
Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.