Definition(en): Persuasion Mac Document format is part of Adulus Persuasion format family. The format is created using the Aldus Persuasion (now discontinued) presentation program software developed by Peter Polash in 1988 for the Macintosh platform by Aldus Corporation. Following a merger of Adobe Systems and Adulus Corporation in 1994, the software was re-branded to Adobe Persuasion and a Microsoft Windows version was released. There were two versions released for Macintosh only, then starting with version 2.x version for Windows was released, up to version 4. This format entry describes the variation of the format released with version 4 of Adulus Persuasion for Macintosh. Version 4 was released in 1996 and was bundled with other Adobe applications. Adobe discontinued production of the software in September 1997.