Ans extension is associated with ANSI graphic or text files. You have chance to open these kind of files with Microsoft Word.

Ans extension stands for text files which saved by ANSI system. Some files which similar to this type use fonts for creating picture kind of images. You don`t have to install any extra software to open ans files, you can try to open with Note Pad application or Word. 
To get detailed information, here is the official web page of the software:

What to use ans

Microsoft Word

which page related to ans file

ans Related Searches

You can check related links about ans fileextension.