.ixx
1 claimant
0 primary
1 secondary
secondary-only
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.
155.8K
total files
106.7K
first seen 2021–2025 (68.5%)
2022
median year (half its files since)
Case variants in archive: .ixx (155.8K), .IXX (9), .Ixx (1), .iXx (1) — aggregated above.
Attribution status
This extension is attributed to C++ — every claim across all sources (including secondary ones) points to a single language.
Authoritative sources: △ Linguist · secondary ✗ Pygments · no claim ✗ Wikidata · no claim △ Wikipedia · secondary
Claimants (2)
Languages that list
.ixx among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| C++ | linguist | secondary |
| C++ | wikipedia | proposed |
SWH-mined examples (0)
No archived examples for .ixx in our local mirror yet.