fat64

/F AE1 T/
noun
  1. 1

    (computing) A version of the FAT series of file systems which uses a 64-bit file allocation table.

  2. 2

    (informal, uncommon) exFAT.

  3. 3

    (rare) A hypothetical FAT filesystem using a 64-bit file allocation table, but without the additional data structures found in exFAT.