What are some three-letter file formats?

25 of the 56 file formats in Icillion have exactly 3 letters, for example PDF, JPG and PNG.

Which three-letter file formats start with P?

P is the most common first letter here, with 5 names, such as PBM, PCX, PDF, PNG and PPM.

Computer Science · lists

25 three-letter file formats in alphabetical order, from “AVI” to “ZIP”. Each one counts as an answer in Icillion.

25 of the 56 file formats have exactly 3 letters (45%).
Most start with P (5), T (3) and E (2).
Only names of one word are counted, and only their letters: spaces, hyphens and apostrophes are not.

What are some three-letter file formats?: 25 of the 56 file formats in Icillion have exactly 3 letters, for example PDF, JPG and PNG.
Which three-letter file formats start with P?: P is the most common first letter here, with 5 names, such as PBM, PCX, PDF, PNG and PPM.

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