SPSS

SPSS is a widely-used statistical package, developed and sold since 1968. Now owned by IBM, it's official name is "IBM SPSS Statistics".

Four file formats are used by SPSS:


 * SAV Binary "SPSS data format"
 * SPO Output file - version 14
 * SPS "Syntax file", plain text command script
 * SPV Output file - version 17 and later