FileInfo - The File Extensions Database

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Today's File Type – January 20th

Interchange File Format

An IFF file is a universal file format created by Electronic Arts. It may contain image, text, or audio data and is used for interchanging different types of data across applications and platforms. IFF files are supported by many programs and are used as the basis for several other file formats, including AIFF. View more »

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Weekly Top Extensions

—	1.	.APK
—	2.	.JSON
—	3.	.DAT
▲	4.	.TORRENT	+3
—	5.	.CRDOWNLOAD
▼	6.	.JPG	-2
▼	7.	.HEIC	-1
—	8.	.PDF
▲	9.	.CRYPT12	+2
▼	10.	.EXE	-1
▲	11.	.EPS	+4
—	12.	.ENC
▲	13.	.DB	+1
▼	14.	.DLL	-4
▼	15.	.MD	-2
—	16.	.CFG
▲	17.	.TXT	+1
▼	18.	.XAPK	-1
—	19.	.LNK
▲	20.	.KEY	+2
▼	21.	.AAE	-1
▲	22.	.BIN	+2
▼	23.	.SWF	-2
▼	24.	.TMP	-1
▲	25.	.DOC	+2
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Recent Updates

December 3, 2018View our updated list of text editors for opening and editing text files.
November 21, 2018File Viewer Plus 3.1 is now available.
August 30, 2018File Viewer Plus 3 has been released!
August 10, 2018You can now view multiple file associations at the top of file extension pages.
March 30, 2018It's tax season! Learn about the different tax file formats and the programs that open them.