SAS

File Format
Name	SAS
Ontology	Electronic File Formats Scientific Data formats SAS
Extension(s)	.sas, .sas7dat, .sas7bdat, others
PRONOM	fmt/1015, fmt/1016, others

SAS (Statistical Analysis System) is a scientific statistical software package. SAS files contain data and descriptions.

Some of the software's files are:

.sas7dat,

.sas sas program file.

A full table of SAS files can be found on the official documentation.

Info on deciphering one version was available here (dead link, Sep 2018).