SD cards are enormously useful devices that hold more data every year. Reformatting an SD or microSD card can make sure all the data that was on it is gone.

You may need to format an SD card or micro SD card for several reasons on your Mac, whether it be for your smartphone, Raspberry Pi mini PC, Arduino project, digital camera or games console.

How to Format a Micro SD Card That Can't Be Read. If the microSD card is unreadable through a peripheral device, the card may use an incompatible file system, such as NTFS, or it may not be ...