PLA
From Just Solve the File Format Problem
PLA (ARCHICAD Archive) is a specialized archive format used by the ARCHICAD software to store a project (a PLN file) and its other associated data files, with optional compression.
Identification
It appears the files start with the ASCII characters ROF FD
.
Sample files
- ARCHICAD Sample Projects are downloadable in PLA files for versions 22 and 23.