How to open MRK files

Did your computer fail to open a MRK file? We explain what MRK files are and recommend software that we know can open or convert your MRK files.

What is a MRK file?

The MRK file extension indicates to your device which app can open the file. However, different programs may use the MRK file type for different types of data.

While we do not yet describe the MRK file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about MRK files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Generic MRK

These apps are known to open certain types of MRK files. Since many different programs may use MRK files for different purposes, you may need to try a few of the apps to open your specific MRK file.

Pro/ENGINEERPro/ENGINEERUser submitted
OptiTex MarkOptiTex MarkUser submitted
Pro ENGINEERPro ENGINEERUser submitted
Creo Elements/ProCreo Elements/ProUser submitted
Picasa Photo ViewerPicasa Photo ViewerUser submitted
iTunesiTunesUser submitted
CreoCreoUser submitted
Startup TOOLSStartup TOOLSUser submitted
PDF Complete Special EditionPDF Complete Special EditionUser submitted
ProeWF3ProeWF3User submitted
Creo ParametricCreo ParametricUser submitted
MarcEditMarcEditUser submitted
Microsoft Windows Media PlayerMicrosoft Windows Media PlayerUser submitted
Reg. Mark and Simple Acc. EditorReg. Mark and Simple Acc. EditorUser submitted
CMS-Mark-Win ApplicationCMS-Mark-Win ApplicationUser submitted
marcogenmarcogenUser submitted
InterReport DiverInterReport DiverUser submitted
World ExplorerWorld ExplorerUser submitted
Mapa EuropyMapa EuropyUser submitted
PolyPattern-MarkerPolyPattern-MarkerUser submitted
Net4SwitchNet4SwitchUser submitted
OptiTex ViewerOptiTex ViewerUser submitted
Pro ENGINEER WF4Pro ENGINEER WF4User submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with MRK-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with MRK-files. If you know one, please use the Suggest link below and tell us about it!