Format
Adobe Illustrator
Summary
- Name
- Adobe Illustrator
- Version
- 4.0
- Identifiers
-
- MIME: application/postscript
- Apple Uniform Type Identifier: com.adobe.illustrator-image
- PUID: fmt/419
- 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 4.0
- 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. In version 4.0 files, the Creator Comment contains the string “Adobe Illustrator (TM) for Windows, version 4”
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
252150532D41646F62652D332E30{1-128}252543726561746F723A2041646F626520496C6C7573747261746F7228544D2920666F722057696E646F77732C2076657273696F6E20342E30- Endianness
- None
Changelog
-
Updated in V89
- Release date
- 8 March 2017
Adobe Illustrator v4: Added mimetype - application/postscript
-
Added in V69
- Release date
- 19 July 2013
Adobe Illustrator 4.0: Signature provided by Georgia Technology Research Institute.
-
Added in V60
- Release date
- 11 June 2012
Adobe Illustrator 4.0: Description information submitted by the National Archives and Records Administration. Partial entry added.