SEC File - opening and understanding

Did your computer fail to open a SEC file? We explain what they are used for and recommend software that we know can open or otherwise handle your .SEC files.

What is a SEC file?

The SEC file format was developed by Parametric Technology Corporation for one of their CAD (Computer Aided Design) tools. These SEC files are classified as data files that are generated through the Pro/ENGINEER software, which was also created by Parametric Technology Corporation. Also known as Pro/ENGINEER sketch files, these .sec files contain graphics, layout parameters and other formatting attributes that have been saved by the user for a project in the Pro/ENGINEER software.These SEC files store sketches and drawings made by a user in the Pro/ENGINEER software. This application is designed for Windows PCs. The Pro/ENGINEER software is also known as Creo Elements/Pro. These Pro/ENGINEER sketch files are affixed with the .sec extension.An SEC file can be opened and viewed using the Pro/ENGINEER software. These .sec files can also be edited and updated through this CAD program. There are no known tools that can be used to export these .sec files to other standard bitmap graphics file formats.

How to open SEC files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension SEC for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different SEC openers which you will find listed below.

Suggest another file format using extension SEC

While we know of one file format using the .SEC file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .SEC file.

Various viewers for this file format

These apps are known to open certain types of SEC files. Remember, different programs may use SEC files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Pro/ENGINEERPro/ENGINEERUser submitted
Pro ENGINEERPro ENGINEERUser submitted
Creo Elements/ProCreo Elements/ProUser submitted
CreoCreoUser submitted
Startup TOOLSStartup TOOLSUser submitted
Section ApplicationSection ApplicationUser submitted
SeccionesSeccionesUser submitted
SpecsIntact EditorSpecsIntact EditorUser submitted
ProeWF3ProeWF3User submitted
We have not verified any software that we know for certain will work with SEC-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with SEC-files. If you know one, please use the 'Suggest a program' link below and tell us about it!