|I'm not quite sure what you are trying to do.|
If you are trying to add data to columns i.e. going from left to right, I'm not sure what "headings" you want to continue. Are you trying to duplicate headings?
Perhaps an example of your data would help. Please click on the following line and read the instructions found via that link before posting your data.
Click Here Before Posting Data or VBA Code ---> How To Post Data or Code.