Kingsoft Spreadsheets is an application that was developed by Kingsoft Software, and this program can be used as a substitute to Microsoft Excel. The software offers its users with a wide variety of features which can be used by beginners as well as advanced users. The Kingsoft Spreadsheets can save and open files using different types of formats which include Microsoft Excel. The software can be downloaded on its own or through its office suite. It has a PDF converter which is built-in to the software and is being used in converting documents that were created using different versions of Microsoft Excel including 2003, 2007 and 2010 as well as those that were created using Kingsoft Spreadsheets into PDF presentation. The software offers its users with extra protection with the use of its document encryption functionality wherein the encryption to be used is RC4, the document cannot be accessed without the password.