Customer getting error message when uploading CSV

i’m super new to CSVs and a couple have been giving our customers error messages.

One in particular says:

New line must be <“\r”> not <“\n”> in line 3.

does anybody know what it means? and how do i fix it?

The message seems to suggest that the CSV file being uploaded uses a line feed (LF) as the line terminator, but the system reading the file requires a carriage return (CR).

A line feed is actually much more common, Shopify’s own CSV exports uses a line feed as the line terminator.

So a potential fix is to re-save the CSV file using a carriage return line ending/terminator.

I’m curious where is the CSV file being uploaded to?