Kingsoft Office 2009 is a word processing and office suite that offers a familiar layout and features that are similar to Microsoft Office as well as compatibility with Office 2007 files. In addition to much smaller file size, the program also offers a licensing scheme that can be very appealing to home and business users alike. Kingsoft Office includes a word processor (comparable with MS Word), a spreadsheet application (comparable with MS Excel) and a presentation software (comparable with MS PowerPoint). Additional features include support for PDF export, document security, advanced printing options, integrated spell checking, mail merging and more.