How to open .APT file extension?

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

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