STX File Type

- The quick facts

What are STX files and how to open them

Are you having problems opening a STX file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a STX file?

The .stx file extension is most commonly used with the Pinnacle Studio video editing program. The STX files are project files that are created with the software. These files contain the project settings of the video as well as references to other media and data files that are used by the Pinnacle Studio project.

The .stx file extension is also used for CA-Simply Tax tax form files, SmarText electronic book files, SPOT Image statistics files, Terrasoft SAS data files, ArcView statistics files and Eschalon setup install script files.

How to open STX files

Important: Different programs may use files with the STX file extension for different purposes, so unless you are sure which format your STX file is, you may need to try a few different programs.

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

Last updated: December 15, 2021

Suggest another file format using extension STX

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

Various apps that use files with this extension

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

Express LabelerExpress LabelerUser submitted
StudioStudioUser submitted
ACD Showtime! for PENTAXACD Showtime! for PENTAXUser submitted
EmbirdEmbirdUser submitted
StudioStudioUser submitted
PL7 ProPL7 ProUser submitted
StudioTaxStudioTaxUser submitted
SV ApplicationSV ApplicationUser submitted
SAS Universal ViewerSAS Universal ViewerUser submitted
Microsoft OfficeMicrosoft OfficeUser submitted
We have not verified any software that we know for certain will work with STX-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 STX-files. If you know one, please use the 'Suggest a program' link below and tell us about it!