This error means you have an Office 2019 Click-to-Run (C2R) retail installation and are trying to convert it to a volume-licensed (MAK/KMS) installation; that conversion isn’t supported directly. Fix options:
When a tool reports “could not be converted” , it confirms: This error means you have an Office 2019
Friday, 4:00 PM. The perfect time to start. The C2R tombstone
Gerald laughed—a dry, smoker’s hackle. “Ah. The C2R tombstone. You wiped the grave, boy, but not the soul.” smoker’s hackle. “Ah.
If the automated script fails, you can try these manual steps to force the conversion or clean the environment: Run as Administrator : Ensure you are right-clicking your script and selecting Run as Administrator Clear Existing Licenses Open Command Prompt as Administrator. Navigate to the Office folder: cd C:\Program Files\Microsoft Office\Office16 Check current licenses: cscript ospp.vbs /dstatus