# 30 26 B2 75 8E 66 CF 11 A6 D9 00 AA 00 62 CE 6C — File format magic numbers

For 30 26 B2 75 8E 66 CF 11 A6 D9 00 AA 00 62 CE 6C, offset is 0; extension is asf wma wmv; format is Advanced Systems Format, recorded from its source on 2026-08-03.

- **Hex signature:** 30 26 B2 75 8E 66 CF 11 A6 D9 00 AA 00 62 CE 6C _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0 _(unconfirmed — we could not tie this to the quote below)_
- **Extension:** asf wma wmv _(unconfirmed — we could not tie this to the quote below)_
- **Format:** Advanced Systems Format

## What the source says

> Advanced Systems Format [ 37 ]

## Source

- https://en.wikipedia.org/wiki/List_of_file_signatures

Last verified: 2026-08-03. Review by: 2027-08-03.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).