Hi there - I built a new dataset in Excel and have been using it in Stata (copied and pasted in the data editor, no problem). But now I have new columns of data that I need to add to it and I can't figure out how, without starting all over and just copying and pasting the entire Excel spreadsheet all over again in a new dataset. There has to be an easier to way to add to my existing dataset.

Can anyone help?
Thanks!

(It's a dataset of info on the 50 states (rows in excel), with about 20 variables for each state (columns in excel))