ThinkFree Office is an affordable suite of word processing, spreadsheet, and presentation graphics applications. Its powerful, yet easy-to-use applications can seamlessly open, edit, and save directly to the corresponding Microsoft(R) Office file formats like .doc, .xls, and .ppt. ThinkFree Write, Calc and Show allows users to effortlessly exchange files with friends and co-workers using Microsoft Word, Excel and Powerpoint. Its unique, pure Java architecture enables it to run on Windows or Macintosh operating systems. ThinkFree Office features integrated, Internet-based file sharing and storage with end-to-end security.