Kingsoft Office 2010 uses the same document formats (.DOC, .XLS & .PPT) as Microsoft Office and has the same look and feel,The smallest, fastest, and most compatible Microsoft Office alternative. Includes Kingsoft Writer, Kingsoft Spreadsheets, and Kingsoft Presentation. Supports the latest Microsoft Support for the latest Microsoft Office 2007 / 2010 Open XML formats (.DOCX, .XLSX, .PPTX) allows you to maintain compatibility and save a fortune,You will be surprised that many features work EXACTLY the same way as Microsoft Office. Switching from Microsoft Office to Kingsoft Office requires no re-training,The Google Search toolbar provides one-click Internet search capabilities directly within each application,This integrated solution for creating, editing and viewing documents, spreadsheets and presentations uses the same document format as Microsoft Office (2000/XP/2003).