Forget the controller.
The original image files are saved to the SD card in your drone or the internal storage in the drone.
It quick and simple to either pop the card, put it in a $3 USB adapter and put that in your computer ...
or
For internal...
I would expect them all to be the same or very similar.
Here's one example you can try.
https://drive.google.com/file/d/1MEEFnRe2Et2zRdXiBCyvXQGcwLKrtTfC/view?usp=sharing
All DJI drones produce similar txt files but seeing a txt file from a flight done by someone else isn't going to be at all helpful to you to solve your problem.
In any case, the txt files are encoded and not readable.