How to open .STO file extension?

If you cannot open a new file that has been saved in the .STO format you need to download the appropriate software. The manufacturer of .STO files is Ecru Software; .STO files belong to the 3D Image Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .STO files. Activities performed in the order described should solve the problems with all the files in the .STO format.

• What is .STO file?
• How to open .STO file?
• What is .STO file?