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
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
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
If you need help activating Microsoft 365 or Office, see Activate Microsoft 365 or Office for Mac. If activation fails, see What to try if you can't install or activate Microsoft 365 or Office for Mac.
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 repeatedly prompts you to activate on a new PC
Repeat steps 3-6 for the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\16.0\Common\OEM. Close the Registry Editor and start Office again. If you keep getting prompted to activate Office Standard or Office Professional Plus on a new PC, you can update the registry to stop the prompts.
Applies To:
Office 2021, Office 2019, Office 2016, Office 2013
Using the Windows Activation troubleshooter - Microsoft Support
If you're unable to activate Windows 11, the Activation troubleshooter could help. To use the troubleshooter, select Start > Settings > System > Activation , and then select Troubleshoot . Open Troubleshoot settings. You must be signed in as an administrator to use this option.
KB5001692: Windows Activation fails with error 0xc004c003 on devices ...
This issue might occur when you try to activate the operating system with an OEM Activation 3.0 (OA3) Digital Product Key (DPK). Error 0xC004C003 occurs when a licensing code component tries to access a registry hive without proper access.
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
Windows activation or validation fails with error code 0x8004FE33
Provides several workarounds to the Windows activation or validation error code 0x8004FE33 when you connect to the Internet through a proxy server that uses Basic authentication.
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.