Create, view, or delete a calendar group - Microsoft Support
If you have a set of calendars that you frequently view together, you can create calendar groups to make it easy to see the combined schedules at a glance.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。
Check your device performance and health in Windows Security
Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.
Freeze panes to lock rows and columns - Microsoft Support
How to freeze panes in Excel to keep rows or columns in your worksheet visible while you scroll, or lock them in place to create multiple worksheet areas.
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Basic tasks in Excel - Microsoft Support
Get started with basic tasks in Excel such as opening a workbook, entering and formatting data, calculating data, and trying some quick analysis features..
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Felkod 0x80070422 inträffar när du försöker installera ett Xbox Game ...
Lär dig hur du åtgärdar felkoden 0x80070422 så att du kan installera Xbox Game Pass-spel på din Windows-dator.
I forgot the account I use with Microsoft 365 - Microsoft Support
Open Word, Excel, or PowerPoint app to see your username. If you have Microsoft 365 or Office 2016 or newer installed, in most cases you can view the work or school account associated with Office by opening a desktop application like Word, Excel, or PowerPoint. Open an app such as Word, Excel, or PowerPoint.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, OneNote for Mac, SharePoint in Microsoft 365, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Activation, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Project for Office 365
Office Help & Training
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Set up and configure your Xbox Wireless Headset | Xbox Support
Learn how to connect your Xbox Wireless Headset and manage your audio settings.
SUMIFS function - Microsoft Support
How to use the SUMIFS function in Excel, one of Excel’s math and trig functions, to add arguments that meet multiple criteria.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App