When you use SpreadsheetConverter Java/JSP, you need to have the JDK and a webserver like Apache Tomcat installed.

You download the JDK from

http://java.sun.com/javase/downloads/index.jsp

(You need the JDK, the JRE is not enough.)

You download the webserver from

http://tomcat.apache.org/

Try this Excel add-in now!

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Click on Download to install and test this Excel add-in for Windows.

Click on Upload to let us convert a spreadsheet for you for free.