121 

121 File Extension

Have a problem opening a .121 file? We collect information about file formats and can explain what 121 files are. Additionally we recommend software suitable for opening or converting such files.

What is the .121 file type?

121 — Pro/ENGINEER Versioned File.



Software to open or convert 121 files

You can open 121 files with the following programs: 

Popular Formats

Video Tutorials