How to open .AT3 file extension?

If you cannot open a new file that has been saved in the .AT3 format you need to download the appropriate software. The manufacturer of .AT3 files is Sony; .AT3 files belong to the Audio 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 .AT3 files. Activities performed in the order described should solve the problems with all the files in the .AT3 format.

• What is .AT3 file?
• How to open .AT3 file?
• What is .AT3 file?