We have found one software suitable in our database for this conversion.
The only cap to csv conversion we know about, is export of reports of captured network traffic logs and similar raw data to CSV format, typically for the purpose to get the data in exchange format that can be used in another software for further analysis. Your best option in this case is to use software like Wireshark or similar.
Updated: October 16, 2023
CAP
Files with cap extension can be typically encountered as network captured data, for example from the Microsoft Network Monitor, WireShark, etc. and used for their network capture files.
CSV
Files with csv extension are text data files in common Comma Separated Value file format. Simple text file with values divided by comma, often used as an import/export format.