How to open .PHO file extension?

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