.asx
1 claimant
1 primary
0 secondary
unambiguous primary
SWH popularity
Distinct files in the full Software Heritage archive (2026-06-04 export), dated by first appearance, following Desmazières, Di Cosmo, Lorentz (MSR 2025). Case-aggregated. citation.
20.2K
total files
548
first seen 2021–2025 (2.7%)
2014
median year (half its files since)
Case variants in archive: .asx (19.9K), .ASX (351), .Asx (2) — aggregated above.
Attribution status
This extension is attributed to Advanced Stream Redirector as primary by 1 authoritative claim.
Authoritative sources: ✗ Linguist · no claim ✗ Pygments · no claim ✓ Wikidata · Q298178 ✗ Wikipedia · no claim
Claimants (1)
Languages that list
.asx among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Advanced Stream Redirector | wikidata | primary |
Wikidata says… (2)
File formats, image formats, audio codecs and other non-PL
entities that claim
.asx on Wikidata
(property P1195) or in the Wikipedia infobox.
Source: data/derived/external_extension_index.csv.
Click Use as new PL on any row to open the
Add-PL form pre-filled with that entry's name, Wikipedia/Wikidata
URL, and this extension — one submission creates the PL + claim.
| Format | Class (Wikidata P31) | Suggested label | MIME | Notes | Action |
|---|---|---|---|---|---|
| Advanced Stream Redirector Q298178 file format | file format; playlist markup language | — | application/x-mplayer2; video/x-la-asf; video/x-ms-asf-plugin; application/x-ms-asx; video/x-ms-asf | — | Use as new PL ↗ |
| Cheyenne Backup Script Q120042266 file format | file format | — | — | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .asx in our local mirror yet.