the package contains the following 5 true type font files. in addition to the 5 true type font files, pdf417 font encoders (activex and gui versions) are also included. also included are the samples for microsoft access, mail merge and crystal reports. a pdf417 symbol is made up a lot of small cells. each cell has different aspect ratio in different fonts. generally speaking, a symbol is tallest when it is generated with mrv pdf417xt font and shortest with mrv pdf417xs font. pdf417 symbology can encode any characters within the ascii value ranging from 0 to 255. in pdf417 encoder and our font tools, you can use the ascii value to represent a non-printable character, such as \000 for character nul ( the first character in the ascii table). as pdf417 encoding is very complicated, we include the pdf417 encoder with every pdf417 font package. you can adjust a couple of factors: security level, number of rows, number of columns, whether the symbol is truncated (without ending bars). off course, you can always adjust the symbol shape and size by increasing or decreasing the font point size, or changing font typeface. for optimal results we recommend point size 6. morovia pdf417 fontware allow printing pdf417 barcodes from windows, macintosh, unix, as/400 and other operating systems. postscript type 1 and pcl versions are free after you own a perpetual license to the font. 30 day money back guarranteed.