Download and install or reinstall Office 2019, Office 2016, or Office ...
Office might activate automatically. However, depending on your product you might see the Microsoft Office Activation Wizard. If so, follow the prompts to activate Microsoft 365 . If you need activation help, see Activate Office.
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Unlicensed Product and activation errors in Office
If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.
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, 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, 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, InfoPath 2013
Activate Office after reinstalling or installing on a different device
If you try to install and activate these versions of Office on a different computer (owned by you or someone else), or on the same computer after a hardware change, you might see an error message that says you've reached the maximum number of activations.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Office 2013
Fixes or workarounds for recent Office installation or activation ...
Troubleshoot installing Office 2016 and Office 2013. Office is taking long to install. Error messages or problems while installing Office. Unlicensed Product and activation errors in Office. What to try if you can't install or activate Office 2016 for Mac.
Applies To:
Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, OneNote 2021, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, OneNote 2013
Difference between product key and activation code
An activation code (also known as an activation key) is used to activate the software after installation. Activation ensures that the software is genuine and legally licensed. Unlike a product key, which is entered during installation, the activation code is applied after installation.
Applies To:
Microsoft account dashboard
Activate Office - Microsoft Support
Activate a brand new Office product key. Troubleshoot activation errors. Activate Microsoft 365 or a non-subscription version of Office. When you start an Microsoft 365 app that's not activated, you'll be prompted to sign in to Microsoft 365.
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, Microsoft Lync for iPhone 2013 operated by 21vianet, Project for Office 365
Description of the Office Activation Wizard - Microsoft Support
Product activation validates that the product key has not been used on more personal computers than are permitted by the end-user license agreement. You can activate your product by means of the Internet or by telephone.
How to activate a perpetual license of Visio - Microsoft Support
Describes how to activate the perpetual license of Visio. This includes how to active the perpetual license by using the Internet or by using the telephone. You can also skip the activation and activate your license at a later time.
Install Visio or access Visio for the web - Microsoft Support
If you have Visio Plan 2 or a non-subscription version such as Visio Professional or Visio Standard 2021, 2019, or 2016 you can install and use the desktop app.
Applies To:
Visio Plan 2, 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