If you are a designer, it may hold .obj , .fbx , or .max files used for architectural rendering.
Depending on where you found the file, it likely contains one of the following: Chairs.7z
CAD files (like .dwg ) for manufacturing specific chair designs. How to open "Chairs.7z" If you are a designer, it may hold
A popular choice for macOS users to handle 7z archives. The Unarchiver: Another reliable, free option for Mac. Safety Tip If you are a designer