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 - Submitted by
- Digital Preservation Department / The National Archives
Internal signatures
Adobe PDX 2.0
- Description
- BOF first 25 bytes: %PDX 2.0....ObjBegin ..<< EOF last 16 bytes >> ..ObjEnd ....
- Provenance
- Files found within DRI, files found on web, and files self generated via Adobe Acrobat version 4.0; 11/2023 (v.115)- Modified the offset values from null to 0 as part of a project to match PRONOM data with the xsd standard. Internally researched.
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
-
V118
- Release date
- 30 April 2024
-
Updated
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).
-
V115
- Release date
- 15 November 2023
-
Updated
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).
-
V62
- Release date
- 28 August 2012
-
Added format
Acrobat Catalog Index 2.0: Outline Entry Added.
-
Added signature
Acrobat Catalog Index 2.0: Signature developed through PRONOM Research.