1863 SNAP Processed Data File Dataset Snap Survey provides a selection of software which allows users to design surveys. 1 Digital Preservation Department / The National Archives 11 Jul 2017 11/2023 (v.115)- Modified the offset values in the internal signature from null to 0 as part of a project to match PRONOM data with the xsd standard. Internally researched. 14 Nov 2023 fmt/1058 PUID snpdf File extension 1426 SNAP Processed data file SNAP Processed data file 1 Absolute from BOF 0 0 534E41502050726F63657373656420646174612066696C65