Considering the number of programs out there that support structured, text-based data like CSV, you may have more than one program installed that can open these types of files.
N'ịtụle ọnụ ọgụgụ nke mmemme ndị na-akwado nhazi, ederede data dịka CSV, ị nwere ike ịnwe ihe omume karịrị otu nke nwere ike imeghe ụdị faịlụ ndị a.