---
type: lookup
id: dcm-44-49-43-4d
asset: file-format-signatures
title: "44 49 43 4D — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "DICM | 128 | dcm | <https://en.wikipedia.org/wiki/DICOM> DICOM Medical File Format"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "44 49 43 4D"
offset: "128"
extension: "dcm"
format: "<https://en.wikipedia.org/wiki/DICOM> DICOM Medical File Format"
unverified_fields: hex_signature
---
**Hex signature:** 44 49 43 4D

**Offset:** 128

**Extension:** dcm

**Format:** <https://en.wikipedia.org/wiki/DICOM> DICOM Medical File Format

> DICM | 128 | dcm | <https://en.wikipedia.org/wiki/DICOM> DICOM Medical File Format

Source: <https://en.wikipedia.org/wiki/List_of_file_signatures>