Psion OPO/OPA

File Format
Name	Psion OPO/OPA
Ontology	Electronic File Formats Executables Psion OPO/OPA
Extension(s)	.opo, .opa

OPO (OPL Object, Psion OPL Output) is an executable format used on Psion PDA devices. OPO files are usually created by compiling programs written in the OPL programming language.

There is an OPA variant format, which can also contain embedded resource files.

See also Psion IMG.

Identification

OPO files begin with the ASCII signature "OPLObjectFile**".

Specifications

• http://www.davros.org/psion/psionics/opo.fmt

Software

• http://www.project-atlantis.co.uk/download.html → OPL Info (OPO executable that displays information about OPO executables)

Sample files

• http://cd.textfiles.com/pdasoftware/PSION/ ...