PROJ File

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

What is a PROJ file?

A .PROJ file is a BeOS CodeWarrior Project file. Through our analysis of PROJ files, we know that one use of the format is BeOS CodeWarrior Project. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

What else are .PROJ files used for?

While BeOS CodeWarrior Project is a popular type of PROJ-file, we know of 5 different uses of the .PROJ extension.

The PROJ file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a PROJ opener may not be able to open all kinds of PROJ files. In this case, look through all formats to make sure you find the best suited PROJ viewer.

L3DT Project

Through our analysis of PROJ files, we know that one use of the format is L3DT Project. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

MSBuild Project

Through our analysis of PROJ files, we know that one use of the format is MSBuild Project. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Poseidon for UML Project information

Through our analysis of PROJ files, we know that one use of the format is Poseidon for UML Project information. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

World Construction Set Project

Through our analysis of PROJ files, we know that one use of the format is World Construction Set Project. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Various PROJ file openers, viewers, etc.

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

Indigo StudioIndigo StudioUser submitted
ArcSoft MediaConverterArcSoft MediaConverterUser submitted
L3DT ProfessionalL3DT ProfessionalUser submitted
L3DT StandardL3DT StandardUser submitted
ColorPlayColorPlayUser submitted
CreativeStudioCreativeStudioUser submitted
Designer ProDesigner ProUser submitted
FLEXIMARK Soft LightFLEXIMARK Soft LightUser submitted
WeDoWeDoUser submitted
We have not verified any software that we know for certain will work with PROJ-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 PROJ-files. If you know one, please use the 'Suggest a program' link below and tell us about it!