File system Maximum size[lower-alpha 1] APFS 8 EB exFAT 16 EB FAT12 16 MB (4 KB clusters) or 32 MB (8 KB clusters) FAT16B 2 GB (without LFS) or 4 GB (with LFS) FAT32 4 GB HFS 2 GB HFS+ 8 EB HPFS 2 GB NTFS 16 EB