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Format

Graphisoft Archicad Project

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Summary

Name
Graphisoft Archicad Project
Version
17+
Identifiers
PUID: fmt/1913
Format type
Aggregate
Description
Archicad is a proprietary architectural and Building Information Modelling (BIM) software application produced by Graphisoft. Files with the .pln extension are the standard working format, whereas files with the .pla extension are the Archicad archive file type, that bundles together all components, linked images and textures into a single package. This signature does not currently distinguish between specific Archicad format types.
File extensions
pln, pla
Submitted by
Preservica / Preservica
Developed by
Graphisoft

Internal signatures

Archicad Project

Description
BOF; Offset: 0; Magic Bytes: ‘ROF FDB ’
Provenance
Note: No specification available so signature is based on observation from a selection of sample files. This signature is reported as being valid for Archicad 17 and later, according to a response to a query on the official forum, here: https://community.graphisoft.com/t5/Developer-forum/Need-Archicad-file-type-signatures-Magic-Numbers-for-pln-pla-bpn/td-p/276289

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
524F462046444220
Endianness
None

Changelog

  • V115

    Release date
    15 November 2023

    • Added format

      Graphisoft Archicad Project 17+: Full entry added. Submitted by Preservica.

    • Added signature

      Graphisoft Archicad Project 17+: Signature researched and samples provided by Preservica.