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Format

Harvard Graphics Show

Summary

Name
Harvard Graphics Show
Version
2.0
Identifiers
PUID: x-fmt/324
Format type
Presentation
Description
Harvard Graphics (originally named Harvard Presentation Graphics) was a presentation and vector graphics program, used mainly on the MS-DOS platform. This entry was previous called 'Harvard Graphics Presentation', however the internal and external signatures related to the 'Show' format. Entries for Harvard Graphics Presentation have been created at fmt/1491 and fmt/1492.
File extensions
shw
Source
Digital Preservation Department / The National Archives

Internal signatures

Harvard Graphics Show 2.0

Note
Header ASCII: SHOW

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
53484F57
Endianness
None

Changelog

  • Updated in V98

    Release date
    27 October 2021

    Harvard Graphics Show 2.0: Adjusted name from Harvard Graphics Presentation and updated description following information provided by The Church of Jesus Christ of Latter-day Saints. The longstanding internal and external signatures for this format related to the .shw 'Show' format, not the Presentation format. New entries have been created for Harvard Graphics Presentation at fmt/1491 and fmt/1492.

  • Added in V51

    Release date
    15 July 2011

    Harvard Graphics Presentation 2.0: Signature submitted by Georgia Tech Research Institute, USA.