Create new Excel file based on category

ONE Data1 Data2 Data3 Data4
TWO Data1 Data2 Data3 Data4
THREE Data1 Data2 Data3 Data4
TWO Data1 Data2 Data3 Data4
TWO Data1 Data2 Data3 Data4
ONE Data1 Data2 Data3 Data4


With the example above as reference my goal is to take from one file that contain all the data I'm working with and create new files based on data in a given cell that I'll refer to as category.

So... With the data above I would end up with 3 new excel files ONE.xls, TWO.xls, and THREE.xls. In those new files they would contain the data in the rows with the corresponding category.

Thanks for looking at my post.
Jesse