1200 Adobe Illustrator 3.0 / 3.2 Image (Vector) 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. Version 3 includes graph creation. 165 Georgia Tech Research Institute / Georgia Tech Research Institute 11 Jun 2012 http://mercator.elte.hu/~saman/hu/okt/AI7FileFormat.pdf Adobe has classified Illustrator versions 3.0 and 3.2 as the same file format. Version 3 includes graph creation. 11/2023 (v.115)- Modified the offset values in the internal signature from null to 0 as part of a project to match PRONOM data with the xsd standard. Internally researched. 14 Nov 2023 application/postscript MIME com.adobe.illustrator-image Apple Uniform Type Identifier fmt/418 PUID ai File extension 885 Adobe Illustrator 3.x v1 The first line of the file is a unique comment that declares the file contains a Postscript program and identifies the version of the Document Structuring Conventions to which the document conforms as 2.0 or 3.0. The first line may also specify that the file conforms to a version of the Encapsulated PostScript File format (EPSF). The prolog contains %%DocumentNeededResources: and the continuation %%+ procset Adobe_Illustrator_AI3 or %%+procset Adobe_IllustratorA_AI3 1 Absolute from BOF 0 0 252150532D41646F62652D322E30{16-512}2525446F63756D656E744E65656465645265736F75726365733A{1-512}25252B2070726F637365742041646F62655F496C6C7573747261746F72(5F414933|415F414933) 886 Adobe Illustrator 3.x v2 The first line of the file is a unique comment that declares the file contains a Postscript program and identifies the version of the Document Structuring Conventions to which the document conforms as 2.0 or 3.0. The prolog did not contain %%DocumentNeededResources: but did contain %%DocumentSuppliedResources: and the continuation %%+ procset Adobe_Illustrator_AI3 or %%+procset Adobe_IllustratorA_AI3 1 Absolute from BOF 0 0 252150532D41646F62652D322E30{16-512}2525446F63756D656E74537570706C6965645265736F75726365733A{1-512}25252B2070726F637365742041646F62655F496C6C7573747261746F72(5F414933|415F414933) 900 Adobe Illustrator 3.x v3 The first line of the file is a unique comment that declares the file contains a Postscript program and identifies the version of the Document Structuring Conventions to which the document conforms as 2.0 or 3.0. The first line may also specify that the file conforms to a version of the Encapsulated PostScript File format (EPSF). The prolog contains %%DocumentNeededResources: and the continuation %%+ procset Adobe_Illustrator_AI3 or %%+procset Adobe_IllustratorA_AI3 1 Absolute from BOF 0 0 252150532D41646F62652D332E30{16-512}2525446F63756D656E744E65656465645265736F75726365733A{1-512}25252B2070726F637365742041646F62655F496C6C7573747261746F72(5F414933|415F414933) 901 Adobe Illustrator 3.x v4 The first line of the file is a unique comment that declares the file contains a Postscript program and identifies the version of the Document Structuring Conventions to which the document conforms as 2.0 or 3.0. The prolog did not contain %%DocumentNeededResources: but did contain %%DocumentSuppliedResources: and the continuation %%+ procset Adobe_Illustrator_AI3 or %%+procset Adobe_IllustratorA_AI3 1 Absolute from BOF 0 0 252150532D41646F62652D332E30{16-512}2525446F63756D656E74537570706C6965645265736F75726365733A{1-512}25252B2070726F637365742041646F62655F496C6C7573747261746F72(5F414933|415F414933) 1433 Adobe Illustrator 3.x v5 The first line of the file is a unique comment that declares the file contains a Postscript program and identifies the version of the Document Structuring Conventions to which the document conforms as 2.0 or 3.0. The prolog did not contain %%DocumentNeededResources: but did contain %%DocumentSuppliedResources: and the continuation %%+ procset Adobe_Illustrator_AI3 or %%+procset Adobe_IllustratorA_AI3 1 Absolute from BOF 0 0 C5D0D3C6 1 Variable 252150532D41646F62652D332E30{16-512}2525446F63756D656E74537570706C6965645265736F75726365733A{1-512}25252B2070726F637365742041646F62655F496C6C7573747261746F72(5F414933|415F414933) Has lower priority than 1201 Adobe Illustrator Has priority over 86 Encapsulated PostScript File Format Has priority over 331 Encapsulated PostScript File Format Has priority over 332 Encapsulated PostScript File Format Has priority over 771 PostScript Has priority over 773 PostScript