Changing database from access to excel

Hi,
Currently I am having an ASP page to store data into access database, I would like to convert my database into microsoft excel format due to licensing problem, I never deal with excel databse in asp programming before, appreciated if some expert can show or guide me thru this.Tks a lot.
what are the code that I need to change in my asp code to link to excel file instead of access db.

Just change the connection string.

http://www.codeproject.com/database/connectionstrings.asp#Excel