Format
Adobe Illustrator
Summary
- Name
- Adobe Illustrator
- Version
- 7.0
- Identifiers
-
- MIME: application/postscript
- Apple Uniform Type Identifier: com.adobe.illustrator-image
- PUID: fmt/423
- 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 7.0
- 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 3” indicates that this is a version 7.0 Adobe Illustrator file.
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
252150532D41646F62652D332E30{128-1024}254149355F46696C65466F726D61742033- Endianness
- None
Changelog
-
Updated in V91
- Release date
- 25 July 2017
Adobe Illustrator 6: Signature updated as part of PRONOM Research.
-
Updated in V89
- Release date
- 8 March 2017
Adobe Illustrator v7: Added mimetype - application/postscript
-
Added in V60
- Release date
- 11 June 2012
Adobe Illustrator 7.0: Description information submitted by the National Archives and Records Administration. Partial entry added.