In some cases, a device may ask you to format your USB drive to FAT32 in order to make it compatible. It works with both older and modern computers, as well as other devices like consoles.įAT32 can mostly be found in portable storage devices such as: What makes it so popular as a file system is that it is the most cross-platform compatible among all file systems. FAT32 has a file size limit of 4 GB, and can support a partition size of up to 32 TB. A file system is a method that the disk will use to organize data. How to format an external hard drive to FAT32 on Mac?įAT32 (File Allocation Table32) is a file system.How to Recover Data Lost From a Flash Drive During Formatting.