使用 VLOOKUP、INDEX 或 MATCH 查找值 - Microsoft 支持
使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Comment se connecter et se déconnecter d’Outlook.com
Pour obtenir de l’aide dans Outlook.com, cliquez ici ou sélectionnez Aide dans la barre de menus et entrez votre requête. Si l'auto-assistance ne résout pas votre problème, faites défiler la page jusqu'à la rubrique Avez-vous toujours besoin d'aide ? et sélectionnez Oui.. Pour nous contacter dans Outlook.com, vous devez vous connecter.
Applies To:
Outlook.com
Using the new Bing on the Windows taskbar - Microsoft Support
Open directly from the Search bar. If the Bing Chat icon is displaying in your Search bar on the taskbar, simply select it and Bing Chat will open in Microsoft Edge.. Open in Search Home. Here's how: Select the Search icon or the Search bar on your taskbar.
Fix touchpad problems in Windows - Microsoft Support
If your touchpad isn’t working, it may be a result of a missing or out-of-date driver. Updating or reinstalling your touchpad drivers in Device Manager may help solve the problem. To open Device Manager, enter device manager in Search on the taskbar, then select Device Manager .
How to set up and test microphones in Windows - Microsoft Support
In Sound settings, go to Input and under Test your microphone, look for the blue bar that rises and falls as you speak into your microphone.If the bar is moving, your microphone is working properly.
Install Office 2010 - Microsoft Support
If the setup wizard doesn’t start automatically, navigate to the disc drive and click SETUP.EXE. When prompted, enter the product key. If you need help, see Find your product key for Office 2010. Read and accept the Microsoft Software License Terms, and then click Continue.
Applies To:
Excel 2010, Word 2010, Outlook 2010, PowerPoint 2010, OneNote 2010, Office 2010, Office.com
Stay protected with Windows Security - Microsoft Support
Because this mode is streamlined for tighter security, the Virus & threat protection area has fewer options. But don't worry—the built-in security of this mode automatically prevents viruses and other threats from running on your device, and you'll receive security updates automatically. For more info, see Windows 10 or 11 in S mode FAQ.
Office アプリケーションを修復する - Microsoft サポート
クイック実行 [Office プログラムをどのように修復しますか] ウィンドウで、[オンライン修復]、[修復] の順に選択して、修復する項目がすべて選択されていることを確認します (より高速な [クイック修復] オプションも利用できます。ただし、問題を検出して、破損したファイルを置き換える ...
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 Professional 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 Professional 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, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, 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, InfoPath 2013, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Troubleshoot screen flickering in Windows - Microsoft Support
Press Ctrl + Alt + Delete to open Task Manager.If you don’t see Task Manager after pressing Ctrl + Alt + Delete, press Ctrl + Shift + Esc to open Task Manager.. If Task Manager flickers along with everything else on the screen, a display driver is probably causing the problem.
Forgotten your Microsoft account username - Microsoft Support
You weren't able to find your username. If the username lookup wasn't successful, try looking for your Microsoft account username within other products or services that you know are associated with that account. Read check your products or services to find out how.