FileInfo - The File Extensions Database

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Today's File Type – March 26th

Java Servlet

A DO file is a web-based Java program run by a web server that supports Java, such as Tomcat or IBM WebSphere. It is typically mapped to the Struts controller, which processes the file. DO files are used for generating dynamic web pages. View more »

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Weekly Top Extensions

—	1.	.APK
—	2.	.JSON
▲	3.	.TORRENT	+8
▼	4.	.JPG	-1
▼	5.	.DAT	-1
—	6.	.PDF
▼	7.	.DLL	-2
▼	8.	.HEIC	-1
▼	9.	.EXE	-1
▼	10.	.CRDOWNLOAD	-1
▼	11.	.DB	-1
—	12.	.EPS
—	13.	.MD
▲	14.	.PNG	+1
▼	15.	.TXT	-1
—	16.	.ENC
—	17.	.LNK
—	18.	.CFG
▲	19.	.KEY	+2
▼	20.	.CRYPT12	-1
▲	21.	.BIN	+1
▲	22.	.PPTX	+15
▼	23.	.WEBP	-3
▼	24.	.TMP	-1
▲	25.	.MP4	+4
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March 1, 2019Watch how to open unknown files in Windows 10.
December 3, 2018View our updated list of text editors for opening and editing text files.
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March 30, 2018It's tax season! Learn about the different tax file formats and the programs that open them.