License Install Failed For License Type: 1 Result Code: 0xc03f6601

Applies to: Microsoft Office (2016, 2019, 2021, Microsoft 365), Windows 10/11

If you’ve recently tried to activate Microsoft Office and encountered the error message:

“License install failed for license type: 1 result code: 0xc03f6601”

you’re not alone. This cryptic error typically appears during the licensing or activation phase, often after reinstalling Windows, resetting your PC, or making significant hardware changes. Below, we break down what this error means and how to fix it. Applies to: Microsoft Office (2016, 2019, 2021, Microsoft

If SaRA doesn’t work, manually clear the licensing token store.

Step 1: Close all Office apps (Word, Outlook, etc.).

Step 2: Open Command Prompt as Administrator (type cmd in Start, right-click, select Run as administrator). “License install failed for license type: 1 result

Step 3: Navigate to the licensing folder:

cd %ProgramData%\Microsoft\Office\ClickToRun\

If that folder doesn’t exist, try:

cd %ProgramFiles%\Microsoft Office\root\Licenses16\

Step 4: Delete the licensing tokens:

del *.* /Q

Step 5: Re-register Office licenses:

cscript ospp.vbs /rearm

(You may need to specify the full path: C:\Program Files\Microsoft Office\Office16\ospp.vbs /rearm)

Step 6: Restart your PC and try activating Office again. you’re not alone

For persistent issues, completely remove all Office licenses and installations.