Format
Adobe Portable Document Catalog Index File
Summary
- Name
- Adobe Portable Document Catalog Index File
- Version
- 2.0
- Identifiers
- PUID: fmt/446
- Description
- Adobe Portable Document Catalog Index File (PDX) is the format of a file created when an index is built for a collection of PDF documents defined as a catalog in Adobe Acrobat Pro versions 2.0 and later, allowing users to search through the contents of the catalogue.
- Note
- https://helpx.adobe.com/acrobat/using/creating-pdf-indexes.html
- File extensions
-
pdx - Source
- Digital Preservation Department / The National Archives
Internal signatures
Adobe PDX 2.0
- Note
- BOF first 25 bytes: %PDX 2.0....ObjBegin ..<< EOF last 16 bytes >> ..ObjEnd ....
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
2550445820322E300D0A0D0A4F626A426567696E200D0A3C3C- Endianness
- None
- Min Frag Length
- Absolute from EOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
3E3E200D0A4F626A456E64200D0A0D0A- Endianness
- None
Changelog
-
Updated in V118
- Release date
- 30 April 2024
Adobe Portable Document Catalog Index File 2.0: Description created and documentation links added as part of PRONOM Research Week 2023. Submitted by Archives nationales (French National Archives).
-
Updated in V115
- Release date
- 15 November 2023
Adobe Portable Document Catalog Index File 2.0: Modified the offset values from null to 0 as part of a project to match PRONOM data with the xsd standard. Submitted by Digital Preservation Department, The National Archives (UK) (UK).
-
Added in V62
- Release date
- 28 August 2012
Acrobat Catalog Index 2.0: Signature developed through PRONOM Research.
Acrobat Catalog Index 2.0: Outline Entry Added.