The file format and field instructions are right on the page. After formatting your data correctly, you will select the file. We’ll process a sample of the data so you can see if there are any formatting or other problems. If it looks good, you’ll click the “Save Meta Data” button and we’ll get started updating all the videos. The task is running in the background, so you can go about your business. In a few minutes, you should receive an email summarizing the data merge results.