.PAM File

The pam file extension is most likely best know for its use for a common bitmap format on UNIX platform.

The PAM format is designed to be used for any of myriad kinds of graphics, but can theoretically be used for any kind of data that is arranged as a two dimensional rectangular array.

Actually, from another perspective, it can be seen as a format for data arranged as a three dimensional array.

How to open:

You can open these files in Adobe Photoshop or any other graphics editor and view that work with *.pam files.

How to convert:

Possibly can be exported or converted to other graphics formats in programs that have support for PAM graphics.