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Format

Adobe Illustrator

Summary

Name
Adobe Illustrator
Version
5.0 / 5.5
Identifiers
  • MIME: application/postscript
  • Apple Uniform Type Identifier: com.adobe.illustrator-image
  • PUID: fmt/420
Format type
Image (Vector)
Description
The documents (files) created by Adobe Illustrator are PostScript language documents. A PostScript language document description that minimally conforms to the Document Structuring Conventions has two main parts: a prolog and a script. The prolog encapsulates information needed by other programs to interpret the file. The script describes the graphic elements on the page.
File extensions
ai
Source
Georgia Tech Research Institute / Georgia Tech Research Institute
Developed by
Adobe Systems Incorporated
Supported by
Adobe Systems Incorporated

Relationships

Has priority over

Internal signatures

Adobe Illustrator 5.0

Note
The first line of the file declares that the file contains a Postscript program and identifies the version of the Document Structuring Conventions to which the document conforms as 3.0. The comment “%AI5_FileFormat 1” indicates that this is a version 5.x file.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
252150532D41646F62652D332E30{128-1024}254149355F46696C65466F726D61742031
Endianness
None

Changelog

  • Updated in V89

    Release date
    8 March 2017

    Adobe Illustrator v5.0/5.5: Added mimetype - application/postscript

  • Added in V69

    Release date
    19 July 2013

    Adobe Illustrator 5.0/5.5: Signature provided by Georgia Technology Research Institute.

  • Added in V60

    Release date
    11 June 2012

    Adobe Illustrator 5.0/5.5: Description information submitted by the National Archives and Records Administration. Partial entry added.