.prg
4 claimants
3 primary
0 secondary
shared primary (3)
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.
795.7K
total files
198.2K
first seen 2021–2025 (24.9%)
2018
median year (half its files since)
Case variants in archive: .prg (724.3K), .PRG (67.4K), .Prg (4.0K), .prG (3), .PRg (1) — aggregated above.
Attribution status
This extension is attributed to Clipper; FoxPro; XBase as primary by 4 authoritative claims.
Claimants (5)
Languages that list
.prg among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Clipper | pygments | primary |
| FoxPro | pygments | primary |
| XBase | linguist | primary |
| XBase | pygments | primary |
| Harbour | wikipedia | proposed |
Wikidata says… (17)
File formats, image formats, audio codecs and other non-PL
entities that claim
.prg 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 |
|---|---|---|---|---|---|
| 8bit C64 executable Pu-Crunch compressed Q105865066 file format | file format | — | application/octet-stream | — | Use as new PL ↗ |
| Akai MESA program Q105865828 file format | file format | — | application/octet-stream | — | Use as new PL ↗ |
| Clipper source program file Q134272221 file format | file format | — | — | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .prg in our local mirror yet.