SPSS

File Format
Name	SPSS
Ontology	Electronic File Formats Scientific Data formats SPSS
Extension(s)	.sav, .sps, .spv, .spo

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

References

• Wikipedia:SPSS

• Compatibility of SPSS files (.sav, .sps, .spv, .spo) between different versions (Technical support note, 2011-12-07)