How to recover corrupt files on SD card

I have files on an SD card that show thumbnails and data recorded but cannot open them. I can open some but not the majority. I have tried disk drill to recover but nothing. Photoshop says it cannot open that " Could not complete your request because Photoshop does not recognize this type of file.

help! how can I recover these images.

Hi @dorifitz,

Have you opened a Support Case? If not opened, for more information, please contact the SD Technical Support team for best assistance and troubleshooting:
https://kb.sandisk.com/app/ask