.BTN File

File extension btn is mainly used for a proprietary format in Just Buttons, a software tool for Microsoft Windows operating system used to create animated buttons.

A .btn file stores animated bitmap image.

Files with btn suffix can be most often found as animated graphics files saved in Just Buttons graphics editing tool.

How to open:

Use Just Buttons to open and view .btn animated bitmap image files.

How to convert:

Possibly can be converted to other similar graphics formats using XnConvert.