if this applies to you separate short-term from long-term when manually entering summary totals.
you might be able to e-file. it depends on whether the CSV printout is in a form similar to the 8949. if so you can e-file and submit form 8453 with the CSV details by mail. read the filing instructions on the form
https://www.irs.gov/pub/irs-pdf/f8453.pdf
