.arcFrom 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.
Case variants in archive: .arc (90.1K), .ARC (2.9K), .Arc (250), .arC (1) — aggregated above.
This extension is attributed to Arc; Arc as primary by 2 authoritative claims.
.arc among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Arc | linguist | primary |
| Arc | wikidata | primary |
.arc 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 |
|---|---|---|---|---|---|
| ARC Q296496 archive file format used on bulletin board systems | digital container format; file format | binary:video | application/x-arc | — | Use as new PL ↗ |
| ARC Q28600238 archive file format for the Commodore 64 | file format | — | — | — | Use as new PL ↗ |
| Devil May Cry 4 game data archive Q105854856 file format | file format | — | application/octet-stream | — | Use as new PL ↗ |