.m4v

1 claimant 1 primary 0 secondary unambiguous primary

SWH popularity

From the SWH-MSR-ARV dataset (Desmazières, Di Cosmo, Lorentz, MSR 2025; file nb_extensions_alphanum.csv) — one row per (ext, year) in the full SWH archive. Case-aggregated. citation.

57.6K
total occurrences
19.6K
since 2019 (34.0%)
2007–2023
years active

Case variants in archive: .m4v (56.5K), .M4V (1.1K) — aggregated above.

Attribution status

This extension is attributed to mp4 as primary by 1 authoritative claim.

Authoritative sources: ✗ Linguist · no claim ✗ Pygments · no claim ✓ Wikidata · Q336316 ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Claimants (1)

Languages that list .m4v among their extensions. Strength reflects whether the upstream source treated it as their primary extension.
LanguageSourceStrength
mp4wikidataprimary

Wikidata says… (2)

File formats, image formats, audio codecs and other non-PL entities that claim .m4v 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.
Right entry isn't listed? Add manually ↗
FormatClass (Wikidata P31)Suggested labelMIMENotesAction
M4V Q1056154top match
file format
video file formatbinary:videovideo/x-m4vUse as new PL ↗
MPEG-4 Part 14 Q336316
digital multimedia format most commonly used to store video and audio
digital container format; multimedia containerbinary:videovideo/mp4; audio/mp4Use as new PL ↗

SWH-mined examples (0)

No archived examples for .m4v in our local mirror yet.

Need an archived example for this extension?
No verbatim file with extension .m4v in our local SWH mirror yet. Submit a sample-mining request and a maintainer will run swh_extension_mining.py against the live archive for this extension; samples land here once the run completes.
(or open the pre-filled issue directly)