This is an app that will convert .3dm files from one version of Rhino to another. You can convert to the following versions of Rhino:

• Rhino 2
• Rhino 3
• Rhino 4
• Rhino 5
• Rhino 6
• Rhino 7

You can also batch convert files by checking the "Folder Mode" box at the bottom of the window. This will allow you to select a folder and every 3dm file inside will get converted.

Download the latest version from the release section and then run the exe.

• Click the browse button to select a .3dm file.
• Select the version of Rhino you would like to convert the file to from the dropdown menu.
• Click convert. When finished, the status will show "Success".