D:\proplusww.msi or within a folder like:
Then reinstall Office fresh. | Feature | ProPlusWW.msi (MSI-based) | Click-to-Run (Microsoft 365) | |--------|-----------------------------|------------------------------| | Used for | Office 2016/2019/2021 VL, LTSC | Microsoft 365 Apps for enterprise | | Requires source MSI for repair | ✅ Yes | ❌ No (streamed) | | Found in | ISO / VLSC download | Not applicable | Sample Command Line (Silent Install with Config) You can run an admin install or silent installation using ProPlusWW.msi : proplusww msi
msiexec /i proplusww.msi ADDLOCAL=ALL REBOOT=ReallySuppress /qb- Or with a customization file (MST): D:\proplusww
Provide the path to the original MSI file. 3. Uninstall fails or prompts for source Same as above — uninstall may require the original MSI package. How to Resolve ProPlusWW.msi Errors | Step | Action | |------|--------| | 1 | Locate your original Office installation media (ISO, USB, network share). | | 2 | Browse to the folder containing proplusww.msi . | | 3 | In the popup dialog, navigate to that folder and select proplusww.msi . | | 4 | If you no longer have the source, download the correct MSI-based version from your Volume Licensing Service Center (VLSC) or from your IT department. | | 5 | Alternatively, use the Microsoft Support and Recovery Assistant (SaRA) to clean up and reinstall Office. | Pro Tip: Remove Office Completely (If Source Is Lost) If you cannot locate ProPlusWW.msi , use Microsoft’s official Fix problems that block programs from being installed or removed tool or the offscrub scripts in SaRA. Uninstall fails or prompts for source Same as