.mbox
2 claimants
1 primary
1 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.
53.6K
total files
34.2K
first seen 2021–2025 (63.9%)
2024
median year (half its files since)
Case variants in archive: .mbox (53.6K), .MBOX (1), .Mbox (1) — aggregated above.
Attribution status
This extension is attributed to mbox as primary by 1 authoritative claim.
Authoritative sources: △ Linguist · secondary ✗ Pygments · no claim ✓ Wikidata · Q285972 ✗ Wikipedia · no claim
Claimants (2)
Languages that list
.mbox among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| mbox | wikidata | primary |
| Edinburgh ML | linguist | secondary |
Wikidata says… (1)
File formats, image formats, audio codecs and other non-PL
entities that claim
.mbox 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 |
|---|---|---|---|---|---|
| Mbox Q285972top match generic term for a family of related file formats used for storing collections of electronic mail messages | file format; file format family | — | application/mbox | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .mbox in our local mirror yet.