Activate Office - Microsoft Support
Learn how to activate Microsoft 365 or a non-subscription version of Office using a product key, a Microsoft account, or a trial. Troubleshoot activation errors and get help with Office.com/setup.
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 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 Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
Download and install or reinstall Office 2019, Office 2016, or Office ...
Find out how to download and install Office 2016 on your PC or Mac, or reinstall it if you already have a product key. Learn how to activate Office 2016 and troubleshoot common issues.
Applies To: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Where to enter your Office product key - Microsoft Support
Learn where to enter your Office product key for different versions and scenarios, such as Microsoft 365, Office 2021, or Workplace Discount Program. Find tips and troubleshooting for common issues with product keys.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office for business
在 PC 或 Mac 上下載並安裝或重新安裝 Microsoft 365 或 Office 2021
準備安裝了嗎? 開始之前,請確定您的PC或Mac符合 系統需求。. 如果您已兌換產品密鑰、只是重新安裝應用程式,或是知道您已透過公司或學校指派授權,您可以跳到登入以 下載並安裝 Microsoft 365 或 Office 章節。 不過,如果這是您 第一次 安裝 Microsoft 365或 Office,您可能需要先執行一些步驟。
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
Install Office 2010 - Microsoft Support
You can also use the keyboard to browse through features and change feature options. Use the UP ARROW and DOWN ARROW keys to select features. Use the RIGHT ARROW key to expand a feature that contains one or more sub-features.
Applies To: Excel 2010, Word 2010, Outlook 2010, PowerPoint 2010, OneNote 2010, Office 2010
Use the Office offline installer - Microsoft Support
Learn how to download and install Microsoft 365 offline on a PC with a slow or unreliable internet connection. Follow the steps for your plan (Office for home or Office for business) and activate Office after installation.
Applies To: Office 2021, Office 2019, 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, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
How to sign in to or out of Outlook.com - Microsoft Support
Learn how to access your Outlook.com, Hotmail, Live, or MSN email account with your Microsoft Account username and password. Find solutions for common sign-in problems and get help from the Outlook.com community.
Applies To: Outlook.com
Manage your Microsoft 365 subscription or Office product
Learn how to install, renew, cancel, or share your Microsoft 365 or Office products on your Microsoft account dashboard. Find links to more information and help for different account types and versions.
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 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, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, 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 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, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
Fix your Outlook email connection by repairing your profile
Learn how to fix errors in your Outlook mail profile that might prevent you from connecting to your email. Follow the steps to use the built-in Repair option in Outlook 2016 or download the Microsoft Support and Recovery Assistant tool.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Microsoft 365 admin
Change or reset your password - Microsoft Support
Learn how to change or reset your password for Windows 11 or Windows 10, whether you use a Microsoft account or a local account. Find out the different options and steps for signing in or out, and what to do if you forget your password.