| Offset | Length | Description |
| 0(0h) | word | MZ, EXE file signature |
| 2(2h) | word | Length of file MOD 512 |
| 4(4h) | word | Size of file in 512-byte pages |
| 6(6h) | word | Number of Items in Relocation Table This table contains 32 bit offsets of CALL code that needs to be patched. Data in CS register is added to the offset. |
| 8(8h) | word | Size of header in paragraphs |
| 10(Ah) | word | Minimum paragraphs needed above program |
| 12(Ch) | word | Maximum paragraphs desired above program |
| 14(Eh) | word | Stack segment displacement from start of program in paragraphs |
| 16(10h) | word | Contents of SP register on entry |
| 18(12h) | word | Two's compliment checksum |
| 20(14h) | word | Contents of IP register on entry |
| 22(16h) | word | Contents of CS register on entry |