What is the AI4 file format?
A file with the .AI4 extension is a file known as Generic Encapsulated PostScript Graphic. This format is associated with Adobe Systems Incorporated.
The reliable way to open a .AI4 file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .AI4 files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
in a nutshellFULL NAMEGeneric Encapsulated PostScript Graphic
DEVELOPERAdobe Systems Incorporated
CATEGORYMisc Files
Community Q&A
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