A colleague from a partner agency that doesn't have access to Reports & Analytics has requested that you download and send them a report, which contains last month's numbers for all of your campaign…

A colleague from a partner agency that doesn't have access to Reports & Analytics has requested that you download and send them a report, which contains last month's numbers for all of your campaign tracking codes. After running the report you find that you have 501 line items and because of this number. Which file type should you use to download the report?