How to open .UTF8 file extension?

If you cannot open a new file that has been saved in the .UTF8 format you need to download the appropriate software. The manufacturer of .UTF8 files is N/A; .UTF8 files belong to the Text 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 .UTF8 files. Activities performed in the order described should solve the problems with all the files in the .UTF8 format.