I had a drive with 300gb of audio files on it and I went to create a partition for an installation and by mistake I didn't realize it was going to make the files disappear because I am used to Partition Magic on PC but I now use a MAC. I'm not exactly sure what format the drive was in originally (maybe just regular Mac format) but now it is Mac OS Extended Journaled. I have tried using a few good data recovery softwares and the all find the directory structures and the files but all of the files are damaged and the audio is corrupt or something. I think its because its coming from one format to another format. Does anyone have any suggestions?

try to use ZAR

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Kuwait Data Recovery - UNIX GTC
The only reason for time is so that everything doesn't happen at once. By: Albert Einstein

If the device in question was in HFS+ format originally you will not be lucky enough to be able to recover any of the directory structure unless you are lucky enough to stumble upon the original journal (if it was journaled), and even then you will not find commercial software up to the task. The possible exception to this being if the new volume is sized differently to the original.

Your best bet is a DR pro I am afraid.

If the drive is external (USB/FireWire) you may get lucky and it may turn out it was formatted FAT32.

If so find a commercial tool that supports this file system (FAT) and give it a shot.

Best you can hope for if not is a signature search which will be great on the Mac, if the file is <20MB as MacOS X auto defrags these where possible. Larger than that and it is hit or miss.

I don't think the OP has been here in 4 months

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You don't have to backup all of your files, just the ones you want to keep.

I know but I am new here and looking to help where possible, others may arrive with the same question. Apologies if I am wrong to do so.