Sustainability of Digital Formats: Planning for Library of Congress Collections

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Format Descriptions for Email and Personal Information Manager (PIM) Formats

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Email and Personal Information Manager (PIM) formats which includes functionality for instant messaging, contacts, calendars, tasks, appointments and other personal data are often bundled together in software packages or related applications.

The descriptions listed on this page provide specific information about individual file formats, file-format classes, bitstream structures and encodings, and the mechanisms used to compress files or bitstreams. Inclusion of a format does not imply that it is preferred or acceptable for Library of Congress collections. Conversely, omission of a format from the list does not imply that it is not preferred or acceptable. Descriptions will be drafted and added over time. Persons with specialized knowledge are encouraged to review and comment on the descriptions using this contact form.

Last Updated: 12/17/2021