Numbers: Data Formats & File Extensions

Find data file formats and file extensions that start with a number, or view thousands of file extensions and file formats in the complete list.

With literally thousands of data file formats employed by Windows and Window-based apps, keeping track of all the file extensions employed by your software applications and programs can be quite a challenge.

Fortunately, Webopedia’s Complete List of Data File Formats and File Extensions makes it quick and easy to sift through thousands of file extensions and data file formats to find exactly what you need. You can peruse the full list or search for data formats and file extensions based on the letter they start with from the table below.

Number Symbol A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Full List
Recommended Reading: An Introduction to Data File Formats and Their File Extensions

Data File Formats that Begin with a Number

.000 Image Data Recovery file
Compressed harddisk data (DoubleSpace)
.001 Norton Ghost Span file
Multiple Volume Compressed file
Fax (many)
.075 75×75 dpi display font (Ventura Publisher)
.085 85×85 dpi display font (Ventura Publisher)
.091 91×91 dpi display font (Ventura Publisher)
.096 96×96 dpi display font (Ventura Publisher)
.0b Printer font with lineDraw extended character set (PageMaker)
.0xe F-Secure Renamed Virus file
.1 Inno Setup Binary file
Roff/nroff/troff/groff source for manual page (cawf2.zip)
.10 IBM Voice Type Script file
.113 Iomega Backup file
.123 Lotus 1-2-3 Spreadsheet file
.15u Printer font with PI font set (PageMaker)
.1pe TurboTax Form file
.1ph TurboTax file
.1st Usually README.1ST text
.2 Setup Factory 6.0 setup launcher
.264 Ripped Video Data file
.2d 2d Drawings (VersaCad)
.2da 2 Dimensional Data Array file
.2dl 2d Libraries (VersaCad)
.3d 3d Drawings (VersaCad)
.3dl 3d Libraries (VersaCad)
.3dv 3D VRML World
.301 Fax (Super FAX 2000 – Fax-Mail 96)
.386 Intel 80386 processor driver (Windows 3.x)
.3da 3D Assembly file
.3dd ArcGlobe Document file
.3dr 3DMark Benchmark file
.3ds Graphics (3D Studio)
.3dt Database for 3D mind map / concept map (3D Topicscape)
.3fx Effect (CorelChart)
.3g2 3GPP2 file format
.3gp 3GPP Multimedia file
.3gr Data file (Windows Video Grabber)
.3ko NGRAIN Mobilizer
.3me TurboTax Form file
.3mm 3D Movie Maker Movie Project
.3pe TurboTax 2008 Form file
.3t4 Binary file converter to ASCII (Util3)
.411 Sony Mavica Data file
.4c$ Datafile (4Cast/2)
.4dv 4D View Ultrasound file
.4mp 4-MP3 Database file
.4sw 4dos Swap File
.4th Forth source code file (ForthCMP – LMI Forth)
.5cr Preconfigured drivers for System 5cr and System 5cr Plus
.669 Music (8 channels) (The 669 Composer)
.6cm Music (6 Channel Module) (Triton FastTracker)
.777 7-Zip compressed file archive
.7z 7-Zip archiving format
.8 A86 assembler source code file
.8b? Adobe Photoshop Plugin file
.8ba Adobe Photoshop Plugin file
.8bf Adobe Photoshop Plugin file
.8bi Adobe Photoshop Plugin file
.8cm Music (8 Channel Module) (Triton FastTracker)
.8li Photoshop Scripting Plug-in
.8m Printer font with Math 8 extended character set (PageMaker)
.8pbs Adobe Photoshop Macintosh file
.8u Printer font with Roman 8 extended character set (PageMaker)
Number Symbol A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Full List

This article was last updated on April 22, 2012

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