How to open .477 file extension?

If you cannot open a new file that has been saved in the .477 format you need to download the appropriate software. The manufacturer of .477 files is Sapper Oy; .477 files belong to the GIS 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 .477 files. Activities performed in the order described should solve the problems with all the files in the .477 format.

• What is .477 file?
• How to open .477 file?
• What is .477 file?