Preservation

PDF: Portable Document Format

PDF (Portable Document Format) is a popular format for storing many types of data including raster images. There are several subtypes of PDF including PDF-A. Additional information about the PDF format can be found at the Sustainability of Digital Formats site at the Library of Congress.

NARA's PDF files version 1.4 and are identified as PUID fmt/18 in the PRONOM database.

Currently, the Photographic Imaging, Microfilm and Textual Preservation Lab are using the PDF format for distribution purposes only.

Record Type Product Category Choice of Product Type
Distribution Copies Standard Distribution Image [IMG-D1] TIFF: Tagged Image File Format

JPEG: Joint Photographic Experts Group

PDF: Portable Document Format

Distribution Copies Standard Distribution PDF [IMG-D3] PDF: Portable Document Format
Distribution Copies Scan on Demand [IMG-D6] TIFF: Tagged Image File Format

JPEG: Joint Photographic Experts Group

PDF: Portable Document Format

Textual, Micrographic and Cartographic Records, Posters and Illustrated Materials Distribution Copies Fee Request Optical Disc [TXT-D1] JPEG: Joint Photographic Experts Group

PDF: Portable Document Format

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