So in this case, a "CV File" might simply be referring to a file of any type (like a PDF, DOCX, or RTF document) that's used to store a curriculum vitae.
Ya mere, na nke a, "CV File" nwere ike ịbụ na ị na-ezo aka na faịlụ ọ bụla (dịka PDF , DOCX , ma ọ bụ RTF akwụkwọ) nke eji eji echekwa ihe ọmụmụ.