E-Seq
Unknownaudio
An E-Seq Music file is a proprietary format developed by Yamaha, for the Disklavier reproducing piano in 1987. The music was recorded and played back via 3.5 2DD floppy disks. The E-Seq format was superseded by the industry-standard file format MIDI Files.
Identify it
| Extensions | .fil.esq |
|---|---|
| Signatures | 434f4d2d45534551 at byte 7 |
| PRONOM | fmt/1960 |
| Wikidata | Q110254444 |
Not sure your file is this? Identify it from its first bytes, in your browser.
Open it
No software is recorded for this format.
Convert it
No conversion recorded. One of the tools above may export it; search for a chain.
0Sources
From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.