Home · Extensions · .bat

`.bat`

4 claimants 4 primary 0 secondary shared primary (4)

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.

5.4M

total files

2.0M

first seen 2021–2025 (36.6%)

2019

median year (half its files since)

Case variants in archive: .bat (5.3M), .BAT (65.7K), .Bat (5.5K), .bAt (12), .BaT (10), .baT (10), .BAt (8), .bAT (5) — aggregated above.

Attribution status

This extension is attributed to Batch; Batchfile; Rexx; WinBatch as primary by 6 authoritative claims.

Authoritative sources: ✓ Linguist ✓ Pygments ✓ Wikidata · Q479833 ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Claimants (6)

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

Language	Source	Strength
Batch	pygments	primary
Batchfile	linguist	primary
Batchfile	pygments	primary
Batchfile	wikidata	primary
Rexx	wikidata	primary
WinBatch	pygments	primary

Wikidata says… (1)

File formats, image formats, audio codecs and other non-PL entities that claim .bat 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
batch file Q479833 script file for Microsoft computer operating systems	file format; script file	—	`application/x-bat`	—	Use as new PL ↗

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.

unclassified (2) — 2 via fallback

extractcode.bat · 843 B · seen 3325× in SWH

predicted: unclassified via fallback

swh:1:cnt:4b7424fc013d5af1a8f695e7e2c50142643f337f;origin=https://github.com/darcyfdu/findlicense;anchor=swh:1:rev:888cfb21a7378408032f60d06ee5598d3228dbc5;path=/extractcode.bat

Open in SWH · Raw bytes

ToCHT.bat · 1023 B · seen 2801× in SWH

predicted: unclassified via fallback

swh:1:cnt:2c9538b1775e2d9e5fbc7301d8bb66feb6b8e554;origin=https://github.com/mirbeta/MirClient;anchor=swh:1:rev:3dbba7d20f647e2716a1cacacdfe233e1695c33f;path=/Components/cnvcl/Source/ToCHT.bat

Open in SWH · Raw bytes