Data loss can be caused by they mistaken deleted, accidently formated data or some accidents happen to memory card. As a matter of fact,data are still in the memory card,but just invisible, we can't see them! You know when we delete something from computer,even if press" shift+delete", the data we deleted are still in the hard drive, but made a "deleted" flag from the FAT file directory entry table, so they are not shown.Therefore, when you accidentally deleted photos from SD card, SDHC card,CF card, or even these card are corrupted, error - those deleted photos are not wiped off forever, unless the space where the deleted photos save in are overwritten.
Card Data Recovery- is able to recover images, photos and other files from memory card on Mac OS X in various data loss situation: accidental deletion, unintentional quick format or complete format,memory card errors, virus attack etc. No matter SD card, SDHC card, CF card, MMC card,etc the Card Data Recovery program for Mac can get back your deleted or lost data off it in an easy, fast and safe way. It is fully compatible with latest OS X Mountain Lion.