.PEX File Extension

Proboard Executable Program File

Executable File
Belongs to the bulletin board system (BBS), "ProBoard".

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Comments (1)
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2010-03-09 12:54:55
You don't. PEX files where simply MS-DOS EXE files renamed. The Proboard BBS software provided an API for the C programming language so you could implement extensions. They are completely obsolete now.