I had to employ a recovery service recc'd in a similar thread, "Treasured Video Repair Service". What a sketchy site but what amazing people, they got me my video and it was $90, but the preview stills were full quality and the turnaround was less th...
Having almost the exact same issue as OP but with a Canon T5i. My .DAT is showing up as 2.48GB, but I tried the file extension change and it didn't work. Any ideas?