Very few people understand that delete option does not actually delete the data from the memory card. When a file is deleted from memory card, the content of the file is still present in the card in its same location. But, it becomes inaccessible by us since the link to the file is deleted. Hence, the file becomes invisible. As a result, deleted memory card recovery is feasible.
Similarly, in formatting the files are invisibly present in the memory card. But some steps are to be taken to make the Memory Card Recovery successful. If you have deleted or formatted memory card unknowingly, then stop its usage further. This will overwrite the new files over the old ones. Therefore, the required files will be permanently lost. If you are cautious enough complete data recovery can be done. Memory Card Recovery after format also requires the same guidelines to be followed for complete retrieval of data using the software.