---
type: lookup
id: asf-wma-wmv-30-26-b2-75-8e-66-cf-11-a6-d9-00-aa-00-62-ce-6c
asset: file-format-signatures
title: "30 26 B2 75 8E 66 CF 11 A6 D9 00 AA 00 62 CE 6C — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "Advanced Systems Format [ 37 ]"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "30 26 B2 75 8E 66 CF 11 A6 D9 00 AA 00 62 CE 6C"
offset: "0"
extension: "asf wma wmv"
format: "Advanced Systems Format"
unverified_fields: extension, hex_signature, offset
---
**Hex signature:** 30 26 B2 75 8E 66 CF 11 A6 D9 00 AA 00 62 CE 6C

**Offset:** 0

**Extension:** asf wma wmv

**Format:** Advanced Systems Format

> Advanced Systems Format [ 37 ]

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