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Reinstall Windows - Microsoft Support
Notes: Reinstalling Windows 11 using installation media while choosing to ‘Keep nothing’ (a clean install) will automatically enable reserved storage if the partition you reinstall Windows to is 20GB or larger. Reserved storage sets aside disk space to be used by updates, apps, temporary files, and system caches, thus improving the day-to-day function of your PC by ensuring that critical ...
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Microsoft account security info & verification codes
Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).
Applies To: Microsoft account dashboard
付费 Microsoft 365 订阅与免费 Web 应用之间的区别是什么?
Free. 免费锁屏提醒表示活动Microsoft 365 家庭版或个人订阅不与登录帐户相关联。. 只有 Word、Excel 和 PowerPoint 的免费 Web 版本可供使用。 若要在浏览器中访问这些应用,只需使用 Microsoft 帐户登录到 Microsoft365.com,并从应用启动器 选择所需的应用。. 免费试用Word、Excel 和 PowerPoint
COUNTIF function - Microsoft Support
Argument name. Description. range (required). The group of cells you want to count. Range can contain numbers, arrays, a named range, or references that contain numbers. Blank and text values are ignored. Learn how to select ranges in a worksheet.. criteria (required). A number, expression, cell reference, or text string that determines which cells will be counted.
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
Pin apps and folders to the desktop or taskbar - Microsoft Support
To pin apps to the taskbar. Select Start , select the arrow next to All apps, right-click the app, then select More > Pin to taskbar.
Map a network drive in Windows - Microsoft Support
Map a network drive to get to it from File Explorer in Windows without having to look for it or type its network address each time. Open File Explorer from the taskbar or the Start menu, or press the Windows logo key + E.
Share OneDrive files and folders - Microsoft Support
The files on your OneDrive are private until you share them. Keep in mind that when you share folders with Edit permissions, people you share with can add the shared folders to their own OneDrive.. This lets them keep the folder alongside their own folders and items, easily move items between folders, and more easily work on it offline.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), SharePoint in Microsoft 365 Small Business
Get to know Game Bar on Windows | Xbox Support
Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.
Turn Windows Security on or off - Microsoft Support
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