Do you own Directory OpusV5.x or Directory Opus Magellan? Fed up wondering what a file is, what produces it, how it can be used, then this is for you. Magnum Opus is the Premier filetype package together with extensive AmigaGuide format documentation for use with Directory Opus 5.5 & Directory Opus Magellan. Also included are a set of replacement toolbar button images and some icons. The minimum version of Directory Opus required is V5.11. However, owners of V5.5 & Directory Opus Magellan will be able to take advantage of the enhanced features.