.MI file extension - CoCreate CAD drawing
What is mi file? How to open mi files?
File type specification:
File extensione mi is associated with CoCreate, an environment for 3D and 2D CAD design. CAD Computer-aided design is the use of computer technology for the design of objects, real or virtual.
A .mi file contains 3D drawing created in the program.
The default software associated to open mi file:
CoCreate 
(obsolete software)
Company or developer:
Parametric Technology Corporation
CoCreate is is a complete design environment, offering 3D CAD and 2D CAD, integrated product data management (PDM), and collaboration software. CoCreate is now PTC Creo Elements/Direct.
List of software applications associated to the .mi file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open mi file, edit mi file, convert mi file, view mi file, play mi file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting mi files.
Software that open mi file - CoCreate CAD drawing
Programs supporting the exension mi on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about CoCreate for open mi file action.
Microsoft Windows:
CoCreate (obsolete/discontinued)
