FAT32 is a file system commonly used in storage devices such as USB flash drives, memory cards, and external hard drives. It is known for its simplicity and compatibility with a wide range of operating systems and devices, but it also comes with some limitations.

Until 2024, a FAT32 partition could not be larger than 32GB, but Microsoft removed this limitation, increasing support up to 2TB. However, the 4GB limit for the maximum size of individual files remained.