These are the you would get from VLSC.
Office often stores temporary installation files in a hidden folder called MSOCache at the root of your drive. If this folder was deleted or corrupted, the setup will fail. Ensure your user profile has full read/write permissions to this directory.
After a clean reboot, perform a fresh installation of Office using the official source (your Microsoft account portal) or the Office Deployment Tool method described above. This gives you a clean slate. download proplusww propsww2cab office high quality
A quick internet search reveals hundreds of forum posts: "Where can I download ProPlusWW2.cab?" or "My ProPlusWW2.cab is missing from the ISO."
Copy this verified, working ProPsWW2.cab file to the exact same location in your broken Office installation source on the problematic computer. Once the good file replaces the bad one, the installation should proceed. These are the you would get from VLSC
Download and run the Microsoft "Fix it" tool or the Microsoft Support and Recovery Assistant (SaRA). These tools are designed to completely scrub your system of any previous Office installation remnants.
This 2,500+ word guide breaks down:
Which (e.g., 2016, 2019, 2021) are you attempting to deploy?
: Microsoft released dozens of service packs, security updates, and regional variants for Office. A random ProPlusWW2.cab file downloaded online will likely mismatch your specific installer build, leading to deployment failures. Ensure your user profile has full read/write permissions
Before diving into the download commands, it is crucial to understand the anatomy of Microsoft Office installation packages.