Contact Microsoft Office Support - Microsoft Support
Contact Microsoft Office Support for assistance with Microsoft 365, Office, Windows, Xbox, Surface products and more.
Recovery options in Windows - Microsoft Support
Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.
Microsoft 365 または Office 2021 を PC または Mac にダウンロードしてインストール、または再インストールし ...
PC または Mac に Microsoft 365 または Office 2019 をインストール、再インストール、またはライセンス認証する方法について説明します。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Video: What is Access? - Microsoft Support
Training: With Microsoft Access, you don't have to be a developer to create a database to help your team work more efficiently. Watch this online video to see how.
Applies To:
Access for Microsoft 365, Access 2021, Access 2019, Access 2016
Fix problems uploading files on the OneDrive website
Learn more about the error messages you might receive when you try to upload files on the OneDrive website.
Applies To:
Office for business, OneDrive (home or personal)
Use a proxy server in Windows - Microsoft Support
When you’re connected to the internet and using a proxy server while browsing the web, that traffic goes through the proxy server instead of coming directly from your Windows 11 PC.
Language Accessory Pack for Microsoft 365 - Microsoft Support
Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, 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, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, 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
Get started with PowerPoint for the web - Microsoft Support
Learn how to get started with PowerPoint for the web from Office.com and create presentations online.
Applies To:
PowerPoint for the web
Use voice access to control your PC & author text with your voice
This page includes accessibility help articles for people who use Windows voice access to control their PC and author text using their voice.
下载Microsoft Authenticator - Microsoft 支持
重要: Microsoft不再支持超过一年的 Authenticator 版本。始终使设备保持最新状态。