Use the System File Checker tool to repair missing or corrupted system ...
Learn how to scan and repair missing or corrupted system files in Windows using the System File Checker tool (sfc/scannow). Follow the steps to run the tool, view the scan results, and manually replace the corrupted files if needed.
Download and install or reinstall Office 2019, Office 2016, or Office ...
Learn how to download and install Microsoft 365 or Office 2019, 2016, or 2013 on your PC or Mac. Find out how to activate Office, troubleshoot issues, and switch languages or bit versions.
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Download and install apps - Microsoft Support
Learn how to download and install Microsoft 365 apps, like Word, Excel, and PowerPoint, on your PC or Mac. Follow the instructions in the browser and sign in with your Microsoft 365 account to activate the apps.
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Learn how to download and install Microsoft 365 or Office 2021 on your device, whether you have a Microsoft account, a work or school account, or a product key. Find out how to activate the apps, change the version, and get help with common issues.
Applies To:
Office 2024, Office 2024 for Mac, Office 2021, Office 2021 for Mac, Office 2019, 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
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Create a document in Word - Microsoft Support
Learn how to create a document from scratch or from a template in Word. Find out how to add text, images, art, and videos, and access your documents from OneDrive.
Applies To:
Word for Microsoft 365, Word 2024, Word 2021, Word 2019, Word 2016
Set up an authenticator app as a two-step verification method
Learn how to use the Microsoft Authenticator app as a two-step verification method for your work or school account. Follow the steps to scan a QR code, add your phone number, and get a verification code or a notification on your mobile device.
Install Visio or access Visio for the web - Microsoft Support
Learn how to download and install Visio on your PC or use Visio for the web with a Microsoft 365 subscription. Follow the steps for your version of Visio and find answers to common questions.
Applies To:
Visio Plan 2, Visio Professional 2024, Visio Standard 2024, Visio Professional 2021, Visio Standard 2021, Visio Professional 2019, Visio Standard 2019, Visio Professional 2016, Visio Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin
Contact Us - Microsoft Support
Find solutions to common problems, or get help from a support agent for Microsoft 365, Office, Windows, Xbox, Surface and more. Sign in to get personalized help and access live chat, phone, or email options.
Restore deleted files or folders in OneDrive - Microsoft Support
Learn how to recover files or folders from the OneDrive recycle bin, or your computer's Recycle Bin or Trash. Find out how long deleted items are kept in the recycle bin and how to view historical versions of Microsoft 365 files.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, Office for business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows