Sustainability of Digital Formats: Planning for Library of Congress Collections

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Format Descriptions >> Format Description Categories >> FDD Workplan

Format Description Workplan

Publication Log
The publication log is a frequently updated spreadsheet which lists the FDD short and long name, number, HTML and XML URLs along with the initial publication date. This is not exactly the same as a change log because it does not record every time an edit is made to an existing FDD because small adjustments are made all the time. Major changes are marked in the “Last significant FDD update” field in the upper right corner of each FDD. Instead, the Publication Log serves as a record for each new FDD added to the website starting from June 2022.

Publication log: fdd-publishedlog.xlsx (last updated 08/021/2023)

Planned FDDs for June 1, 2023 - May 31, 2024
The list below details the draft list of FDDs that are expected to be added to the site in 2023-2024. Most of this work is part of a contract with Ashley Blewer, Abi Simkovic and Frances Harrell through Myriad Consulting alongside LC-authored contributions.

  • Set 1: Mobile device support
    • Core Audio Format (.caf)
    • Android package (.apk)
    • OS App Store Package (IPA)
    • ApplePro Raw
    • XAP Windows phone installation package
  • Set 2: Packaging, software and installation support
    • Shell Link Binary File Format/Microsoft Windows Shortcut
    • DS_store file (Mac)
    • Java Config files: class file: Java Compiled Object Code
    • gzip
    • bzip
  • Set 3: 3D, VR and Animation
    • 3DM
    • XYZ Point Cloud
    • VRML: Virtual Reality Modeling Language
    • MicroStation DGN by Bentley Systems
    • Animation, Modelling and Rigging: Autodesk Maya Project (.ma)
    • Animation, Modelling and Rigging: Autodesk Maya Binary (.mb)
  • Set 4: Audiovisual
    • USAC: Unified Speech and Audio Coding
    • ADM: Audio Definition Model
    • NSV Nullsoft streaming video
    • Sibelius
  • Set 5: Forensics and disc imaging
    • Kryoflux stream files
    • DFXML
    • MOOF disc image
    • HxC Floppy Emulator HFE File format
  • Set 6: Email and PIM
    • Transport Neutral Encapsulation Format or TNEF (email attachment format (win.dat)
    • MLM - Groupwise email format
    • EMLX File Format: Apple Mail
    • vCard or VCF (Virtual Card Format)
  • Set 7: Imaging
    • EXIF (Exchangeable image file format) versions excluding 2.2
    • JPEG File Interchange Format (JFIF) versions excluding JFIF 1.02
  • Set 8: Text
    • Adobe PDF Portfolio
    • WordPerfect versions, including WordPerfect for MS DOS and WordPerfect for MS DOS 6
    • Endnote Citation Library Format .enl and .data
  • Set 9: Datasets and Databases
  • Set 10: Miscellaneous
    • AppleDouble Resource Fork
    • ArcGIS Layer File (lyr/lyrx)
    • Portable Embosser Format (PEF)

Completed FDDs from June 1, 2022 - May 31, 2023
The list below details FDDs that are expected to be added to the site in 2022-2023. This list is not definitive as sometimes priorities change but, instead, is an overall indication of planned work. Much of this work is the result of a contract with NVision Solutions and contributors Joel Lawhead, Allyson Caridad and Jessica Herr.

Last Updated: 08/21/2023