

However, it should be noted that if the new data is much larger than the old data, your chances of successful recovery are bleak. If the overwritten data was much larger than the newer data, the margin of success to recover parts of the video files is large and you can be fairly confident that you will get some video files back. It all boils down to the amount of new data stored on your memory card. You now need to know the success rate of recovering lost files. Whether the data loss was due to a formatted SD card, a corrupt SD card, or virus infections, you go ahead and overwrite the card with new data. Because many user don't know the accurate meaning of "overwritten".

Recovering files from an SD card that has been overwritten may sound like a daunting task, but it isn't all that hard.
