If you are trying to install or repair Microsoft Office and hit a wall with a missing file error, you aren't alone. One of the most frustrating hurdles users face is the "Source Not Found" prompt asking for ProPlusWW.msi or ProPlusWW2.cab. These files are core components of the Microsoft Office Professional Plus installation package.
Microsoft provides a dedicated tool to fix Office installation "Better" than manual troubleshooting. The SaRA tool can identify why the ProPlusWW files are failing to load and will often automate the repair process. Download the tool from the official Microsoft website. Select Office from the list of products. Choose the option "I'm having trouble installing Office." download proplusww propsww2cab office better
If you are installing from an ISO image, Windows might occasionally "lose" the virtual drive connection. To fix this: Right-click your Office ISO file. Select Mount to create a virtual drive. If you are trying to install or repair