Changes
{| class="wikitable"
|-
! Offset !! Size !! Name !! Notes
|-
| 0 || BYTE || User number || 0-15, or #E5 for deleted entries
|-
| 1 || 8 BYTES || Filename || Unused characters are filled with space
|-
| 9 || 3 BYTES || Extension || Unused characters are filled with space
|-
| C || DWORD || Zero || Contains all zeroes
|-
| E || BYTE || Block number || Tape only
|-
| F || BYTE || Last block || Tape only
|-
| 10 || BYTE || File type || 0:BASIC 1:Protected 2:Binary (ASCII files don't have headers but a fake header is built in memory with the file type #16, "Unprotected ASCII v1")
|-
| 11 || WORD || Data location || Address of the 2KB buffer
|-
| 13 || WORD ||Load address ||
|-
| 14 || BYTE || First block || Set to #FF, only used for output files
|-
| 15 || WORD ||style="white-space: nowrap;"| Logical length || Actual file length is here
|-
| 17 || WORD || Entry address ||
|-
| 19 || 36 BYTES || Unused ||
|-
| 3D || 3 BYTES || Real length || 24-bit number. Just a copy, not used!
|-
| 40 || WORD || Checksum || Unsigned sum of all bytes until this field
|-
|style="white-space: nowrap;"42 ||59 BYTES || Unused || Free to use
|}
