Necessary checkings before formatting an SD card on Mac If your SD card is corrupted, you can use iBoysoft Data Recovery for Mac to do an SD card data recovery. Then, you need back up data from your SD card. Alternately, if you have a camera, use a Mini USB cable connecting the closed camera to your Mac, then alter your camera to setup. Otherwise, you need to prepare an SD card reader. Usually, a MacBook is equipped with an SD card slot, you can insert your SD card directly into the slot. This post will help you format SD cards in steps.įirst, check if your Mac has an SD card slot or not. Formatting your SD card on Mac to the correct file system will make full use of its space.