STPROJ File - opening and understanding

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

What is a STPROJ file?

A .STPROJ file is a Sapphire Project file. Through our analysis of STPROJ files, we know that one use of the format is Sapphire 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.

How to open STPROJ 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 STPROJ for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 1 different STPROJ openers which you will find listed below.

Suggest another file format using extension STPROJ

While we know of one file format using the .STPROJ 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 .STPROJ file.

Various viewers for this file format

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

SDL Trados SynergySDL Trados SynergyUser submitted
We have not verified any software that we know for certain will work with STPROJ-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 STPROJ-files. If you know one, please use the 'Suggest a program' link below and tell us about it!