File Formats

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File Formats Complexity Usability Currency Fear Factor Popularity X Factor Description
.pdfa 83 72 92 86 76 52 The archival version of the popular .pdf format. It addresses various preservation risks and restricts the inclusion of more complex content (eg. embedded multimedia) that may be difficult to preserve.
.docx 99 5 15 76 95 20 The latest XML incarnation of .doc, in theory it's human readable but the documentation stretches to thousands of pages.
TIFF TIFF (originally standing for Tagged Image File Format) is a file format for storing images, popular among graphic artists, the publishing industry, and both amateur and professional photographers in general.
MPEG-4 MPEG-4 is a method of defining compression of audio and visual (AV) digital data. Uses of MPEG-4 include compression of AV data for web (streaming media) and CD distribution, voice (telephone, videophone) and broadcast television applications.
JPEG 2000 JPEG 2000 is an image compression standard and coding system. The standardized filename extensions are .jp2 and .jpx.