.csv
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.
377.6M
total files
192.1M
first seen 2021–2025 (50.9%)
2021
median year (half its files since)
Case variants in archive: .csv (377.0M), .CSV (594.2K), .Csv (1.2K), .csV (12), .CSv (4), .cSV (3), .CsV (2), .cSv (1) — aggregated above.
Attribution status
This extension is attributed to CSV as primary by 2 authoritative claims.
Claimants (2)
Languages that list
.csv among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| CSV | linguist | primary |
| CSV | wikidata | primary |
Wikidata says… (7)
File formats, image formats, audio codecs and other non-PL
entities that claim
.csv 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 |
|---|---|---|---|---|---|
| comma-separated values Q935809 file format used to store data | file format; delimiter-separated value format | — | text/csv | — | Use as new PL ↗ |
| Calendar Creator CSV Event File Q116878061 file format | file format | — | — | — | Use as new PL ↗ |
| HarmonyCSV format Q105857165 file format | file format | — | text/csv | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .csv in our local mirror yet.