Adobe Illustrator Artwork (AI) is a proprietaryfile format developed by Adobe Systems for representing vector-based drawings in either the EPS or PDF formats. The .aifilename extension is used by Adobe Illustrator. Image File history File links Adobe_Illustrator_CS.png Adobe Illustrator CS icon, the first to forgo the The Birth of Venus File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... A filename extension is an extra set of (usually) alphanumeric characters that is appended to the end of a filename to allow computer users (as well as various pieces of software on the computer system) to quickly determine the type of data stored in the file. ... Adobe Systems (NASDAQ: ADBE) (LSE: ABS) is an American computer software company headquartered in San Jose, California that was founded in December 1982 by John Warnock and Charles Geschke. ... Proprietary software is software that has restrictions on using and copying it, usually enforced by a proprietor. ... A file format is a particular way to encode information for storage in a computer file. ... Adobe Systems (NASDAQ: ADBE) (LSE: ABS) is an American computer software company headquartered in San Jose, California that was founded in December 1982 by John Warnock and Charles Geschke. ... Encapsulated PostScript, or EPS, is a graphics file format. ... PDF is an abbreviation with several meanings: Portable Document Format Post-doctoral fellowship Probability density function There also is an electronic design automation company named PDF Solutions. ... A filename extension is an extra set of (usually) alphanumeric characters that is appended to the end of a filename to allow computer users (as well as various pieces of software on the computer system) to quickly determine the type of data stored in the file. ... Adobe Illustrator is a vector-based drawing program developed and marketed by Adobe Systems. ...