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I recently formatted a FAT32 external hard drive to ext4. After realising this was, in my case, a mistake I now want to attempt to recover the data whilst keeping the folder structure intact How can I do this in Ubuntu 13.04? Is there a way to have TestDisk search the whole disk/all data instead of just known partitions?

I'm aware that PhotoRec ignores filesystem but it recovers files with no folder structure and with odd names like f9189667.txt f9189677.txt etc

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Using PhotoRec, enable the expert mode, start a recovery, answer Yes when asked about FAT unformat.

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Your answer is not clear. Does this address the OP's issue concerning Photorec and odd file names? – Tog Oct 26 '13 at 17:43

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