First of all, you should stop saving any new files to your canon camera (or SD card) or taking new pictures with you camera.
Then find some photo recovery software from this site Best Computer Software, which is of high quality and easy-to-use.
Digital Photo Recovery for Windows
Digital Photo Recovery for Mac OS X
Here are the steps:
Step 1: Download and install the Digital Photo Recovery Software.
Step 2: Connect your camera (or SD card, memory card etc) to your PC or Mac.
Step 3: Scan the source drive where your lost pictures located.
Step 4: Recover the lost pictures and save them to another drive instead of the source drive.
Canon PowerShot SD600 Digital... • Uploaded on Oct 15, 2013
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