Home · Extensions · .dsp

`.dsp`

2 claimants 2 primary 0 secondary shared primary (2)

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.

446.3K

total files

43.4K

first seen 2021–2025 (9.7%)

2009

median year (half its files since)

Case variants in archive: .dsp (440.7K), .DSP (5.0K), .Dsp (591), .DSp (1) — aggregated above.

Attribution status

This extension is attributed to FAUST; Microsoft Developer Studio Project as primary by 2 authoritative claims.

Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Claimants (2)

Languages that list .dsp among their extensions. Strength reflects whether the upstream source treated it as their primary extension.

Language	Source	Strength
FAUST	linguist	primary
Microsoft Developer Studio Project	linguist	primary

Wikidata says… (1)

File formats, image formats, audio codecs and other non-PL entities that claim .dsp 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.

Right entry isn't listed? Add manually ↗

Format	Class (Wikidata `P31`)	Suggested label	MIME	Notes	Action
MS Developer Studio Project Q105863461 file format	file format	—	`—`	—	Use as new PL ↗

Disambiguation rules (2)

Linguist heuristics that decide, by content, which language a .dsp file actually is.

Rule	Predicts	Kind	Predicates (truncated)	Measured on SWH
`h/linguist/.dsp/0`	Microsoft Developer Studio Project	predicates	`[{"kind": "any", "regexes": ["# Microsoft Developer Studio Generated Build File"]}]`
`h/linguist/.dsp/1`	FAUST	predicates	`[{"kind": "any", "regexes": ["\\bprocess\\s[(=]\|\\b(library\|import)\\s\\(\\s*\"\|\\bdeclare\\s+(name\|version\|author\|copyright\|license)\\s+\""]}]`

SWH-mined examples (2)

Real archived programs with this extension, byte-verified against the SWH archive, grouped by predicted language and by how the prediction was made. Useful for deciding what this extension actually is when the attribution is uncertain.

Microsoft Developer Studio Project (2) — 2 via Linguist heuristic

all_static.dsp · 1905 B · seen 4104× in SWH

predicted: Microsoft Developer Studio Project via heuristic

swh:1:cnt:a56a1c9b79ee0a5fd0f88de0dd59183278a35c7d;origin=https://github.com/LMS-Community/squeezeplay;anchor=swh:1:rev:3650cd48a079a5af98d1176e8a276f18a4b392c3;path=/src/flac-1.2.1/all_static.dsp

Open in SWH · Raw bytes

ZipArchive_STL_DLL.dsp · 7732 B · seen 19× in SWH

predicted: Microsoft Developer Studio Project via heuristic

swh:1:cnt:e5348d3063aefad4f077be13fe8b6438c02a9f59;origin=https://github.com/StepMania-AMX/StepMania-AMX;anchor=swh:1:rev:fd57b3f35eeff8beaf8d7e8cae0dc0c452add6b2;path=/src/smpackage/ZipArchive/ZipArchive_STL_DLL.dsp

Open in SWH · Raw bytes