: Often denotes a version number or a specific part of a multi-volume archive (though SAS versions typically follow a different numbering scheme like 9.4).
: Large SAS datasets (often with .sas7bdat extensions) are frequently compressed into .7z archives to save space when transferring or storing results. Sas11.7z
: Repositories of SAS macros or programs may be bundled together for distribution. : Often denotes a version number or a