.mss
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.
57.2K
total files
12.6K
first seen 2021–2025 (21.9%)
2017
median year (half its files since)
Case variants in archive: .mss (56.7K), .MSS (532), .Mss (2) — aggregated above.
Attribution status
This extension is attributed to cartocss as primary by 1 authoritative claim.
Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim
Claimants (1)
Languages that list
.mss among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| cartocss | linguist | primary |
Wikidata says… (3)
File formats, image formats, audio codecs and other non-PL
entities that claim
.mss 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 |
|---|---|---|---|---|---|
| Advanced Mario Sequencer file Q27967098 file format | file format | — | text/xml | — | Use as new PL ↗ |
| Miles Sound System DLS 1 + XMI file Q111317689 file format | file format | — | — | — | Use as new PL ↗ |
| Scribe manuscript Q34308624 file format | file format | — | text/plain | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .mss in our local mirror yet.