Word.ws English Dictionary

.dat

.dat noun: an extension for a data file.

Noun

.dat (uncountable)

  1. An extension for a data file.

Origin of .dat

From the first three letters of "data" (data).

Words formed from .dat

  • .dat file

Questions about .dat

What does .dat mean?
.dat means an extension for a data file.
What part of speech is .dat?
.dat is a noun.

Words near .dat in the dictionary

  1. .45
  2. .45s
  3. .500
  4. .com
  5. .coms
  6. .dat
  7. .NET
  8. .ovl
  9. .ovl's
  10. .ovls
  11. /a

Source and license

Adapted from Wiktionary: .dat (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “.dat.” Word.ws, https://word.ws/.dat. Based on Wiktionary, CC BY-SA 4.0.