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DPChallenge Forums >> Photography Discussion >> Can images be recovered from a CF card?
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06/26/2014 11:30:58 PM · #1
I deleted the wrong card! Is there any way I can get them back?
06/26/2014 11:37:57 PM · #2
If you just did a quick format in the camera, the images are probably still there. A quick format just overwrites the file list and they are still there until overwritten. Plenty of free utilities that can do this recover for you. Try the websites of well known makers of memory, such as Sandisk.
06/26/2014 11:39:23 PM · #3
Here's a free undelete utility that I have installed on my own computer: Recuva
06/27/2014 01:03:27 AM · #4
Thank you - I will give it a try. What is the difference between "erase" and "format".
06/27/2014 07:40:21 AM · #5
Originally posted by emorgan49:

Thank you - I will give it a try. What is the difference between "erase" and "format".

Every data storage device (disc, card, etc.) has a "directory" which says something like "data for the file'FILENAME" is stored in sectors ___ through ___" ... this record is much smaller than the file itself. Usually when you "erase" or "delete" a file, it simply removes that reference from the directory, making those sectors available for new data to be written.

A true "format" operation will actually erase all the data in those sectors, not just remove the references, but some versions will also just delete all the references and leave the data itself intact. File recovery software attempts to recover and reassemble that data from the sectors without using the directory references.

Message edited by author 2014-06-27 07:41:02.
06/27/2014 07:42:02 AM · #6
Originally posted by emorgan49:

Thank you - I will give it a try. What is the difference between "erase" and "format".


Functionally, erase just tags the file as erased. It is still there. Format marks all the files and folders as erased, and "deallocates" the space so it is free to be written to. Again, no data is overwritten, so unless the card is written to, everything should be recoverable.
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