EPOC/Symbian executable

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File Format
Name EPOC/Symbian executable
Ontology
Extension(s) .app, .opx, .opo, .dll

This article describes the standard binary executable formats associated with Psion Series 5, EPOC, and Symbian devices and operating systems. Such files may be distributed in a SIS package.

Formats

Formats include:

Signature Ext. Name
79 00 00 10 6c 00 00 10 .app Application
79 00 00 10 ce 39 00 10 .app Symbian Application
37 00 00 10 74 00 00 10 .app OPL Application
79 00 00 10 8d 00 00 10 .dll DLL
79 00 00 10 5d 00 00 10 .opx OPL Extensions
37 00 00 10 73 00 00 10 .opo OPL Object Module

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