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Fixes or workarounds for recent Office issues - Microsoft Support
Just upgraded to Windows 10? Please see Known issues with Office and Windows 10, which covers issues specific to that operating system.
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, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Microsoft 365 for Mac
Create or change a cell reference - Microsoft Support
Note: If you have a current version of Microsoft 365, then you can simply enter the formula in the top-left-cell of the output range, then press ENTER to confirm the formula as a dynamic array formula. Otherwise, the formula must be entered as a legacy array formula by first selecting the output range, entering the formula in the top-left-cell of the output range, and then pressing CTRL+SHIFT ...
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Outlook のヘルプとラーニング
Outlook for Windows、Outlook アプリ、Outlook.com などのヘルプを入手してください。 トレーニング ビデオ、ハウツー記事、および Outlook サポート コンテンツを検索します。
IFERROR function - Microsoft Support
Examples. Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter.
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
Rename your Windows 10 PC - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
欢迎使用 Windows
获取 Windows 操作系统的官方支持和帮助信息,以及如何使用 Windows 的指南。
What is Microsoft 365? - Microsoft Support
Microsoft 365 is our cloud-powered productivity platform. With a subscription to Microsoft 365, you can get: The latest productivity apps, such as Microsoft Teams, Word, Excel, PowerPoint, Outlook, OneDrive, and so much more.
Applies To: Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin
Excel not responding, hangs, freezes or stops working
Important: The Assistant will, in most cases, modify the registry and move files from startup folders used by Excel. Before you run the Assistant, make sure that you back up the registry and all files in startup folders used by Excel so that you can restore the registry and backed-up files if a problem occurs.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
SharePoint video training - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Applies To: SharePoint in Microsoft 365
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.