Could you clarify if you are trying to to play on a Walkman, or if you are trying to extract files from an old device? Walkman - Amazon.com

: Sony's official software for managing these devices has evolved from SonicStage to Media Go , and currently Music Center for PC , which handles file transfers and some basic conversions. Other Possible Matches

: There are niche developer tools on GitHub with similar naming conventions, such as slp2mp4 (for Super Smash Bros. Melee replays) or bag2mp4 (for ROS bag files), but none specifically named "walkman2mp4".

: Most modern digital Walkmans (like the Go to product viewer dialog for this item.