Two free community tools already serve this need well — ours simply lives in the same toolbar as everything else, stays current with each SketchUp release, and remains free.
Files & versions
Version Bridge
On the roadmap · freeOpen newer files, save to older versions — free, because it should be.
The manual version
What it takes off your hands
“The file was made in a newer version of SketchUp.”
In the dialog
What you actually get
- Open newer-version files
- Save back to older versions
- Free forever
Screen recording of Version Bridge — coming with the next capture session.
The residue
What it leaves in the model
Files your consultant can actually open.
Version Bridge is on the roadmap. Leave an email and we will tell you the day it ships — nothing else.