SharePoint video training - Microsoft Support
Learn common SharePoint Online tasks with these videos and tutorials, and get links to more training for SharePoint and Office 365.
Applies To:
SharePoint in Microsoft 365
KB5034441: Windows Recovery Environment update for Windows 10, version ...
This update automatically applies Safe OS Dynamic Update ( KB5034232) to the Windows Recovery Environment (WinRE) on a running PC to address a security vulnerability that could allow attackers to bypass BitLocker encryption by using WinRE. For more information, see CVE-2024-20666. NOTE This update requires 250 MB of free space in the recovery ...
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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
SUBSTITUTE 函数 - Microsoft 支持
说明. 在文本字符串中用 new_text 替换 old_text。. 如果需要在某一文本字符串中替换指定的文本，请使用函数 SUBSTITUTE；如果需要在某一文本字符串中替换特定位置处的任意文本，请使用函数 REPLACE。.
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