Mac Free Hard Drive Data Recovery - Version 1.9.9.9 Mac Free Hard Drive Data Recovery software can retrieves deleted or lost data from HFS+, HFSX, FAT16 and FAT32 Mac volumes due to deleting, formatting, virus attack, improper operation, volume crash/loss, unexpected power-off, Mac OS X crash or upgrade, or other unknown reasons. It's fully compatible with Mac OS X 10.10 (Yosemite), 10.9(Mavericks), 10.8 (Mountain Lion), 10.7 (Lion), 10.6 (Snow Leopard).