List of filename extensions (A–E)

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.
Find sources: "List of filename extensions" A–E – news · newspapers · books · scholar · JSTOR (August 2016) (Learn how and when to remove this message)

|

This alphabetical list of filename extensions contains extensions of notable file formats used by multiple notable applications or services.

Contents

* !$@
* 0-9
* 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

* See also
* References

## A

[edit]

Ext. | Description | Used by

|
|

A | Archive file  | ar (Unix)
AAC | Advanced Audio Coding file  | iOS, Nintendo DSi, Nintendo 3DS, YouTube Music
ACCDB[1] | Microsoft Access Database  | Microsoft Access Database (Open XML)
ACCFT[2] | Microsoft Access Data Type Template  | Microsoft Access
ACO  | Adobe color palette format (.aco)[3] | Adobe Photoshop[4]
ADT | Abrechnungsdatentransfer, an xDT application  | Healthcare providers in Germany
ADX | Document  | Archetype Designer
ADZ | Amiga Disk Zipped (See Amiga Disk File)  | GZip
AGDA | Agda (programming language) source file  | Agda typechecker/compiler
AGR | ArcView ASCII grid  |
AHK | AutoHotkey script file  | AutoHotkey
AI[5] | Adobe Illustrator Artwork | Adobe Illustrator
AIFF[6] | Audio Interchange File Format | professional audio processing applications and on Macintosh[7]
AIFC[6] | Compressed Audio Interchange File Format |
AIO | APL programming language file transfer format file  |
AMF[8][9] | Additive Manufacturing File Format | Computer Aided Design Software
AMG | System image file  | ACTOR
AML[10] | AutomationML | AutomationML Group
AMLX[10] | Compressed and packed AutomationML file  | AutomationML Group
AMPL | AMPL source code file  | AMPL
AMR | Adaptive Multi-Rate audio |
AMV | Actions Media Video  |
ANI[11] | Animation cursors for Win  | Win95 - WinNT
ANN | Annotations of old Windows Help file  | Windows 3.0 \- XP
APE | Monkey's Audio (Lossless)  | audio media players
APK | Android application package  | Android
APK  | Alpine Linux Package  |  Alpine Linux and derivatives
ARC[12] | ARC (file format) |
ART[13] | Gerber format | Cadence Allegro, EAGLE
ASAX[14] | ASP.NET global application file  |
ASCX[14] | ASP.NET User Control  |
ASF[15] | Advanced Streaming Format (Compressed Windows audio/video)  | Microsoft Corporation
ASHX[14] | ASP.NET handler file  |
ASM | Assembler language source  | TASM, MASM, NASM, FASM
ASPX | Active server page extended file  | Microsoft Corporation
ASX[16] | Advanced Stream Redirector file, redirects to an ASF file (see ASF)  | Microsoft Corporation
ATG[17] | Coco/R LL(1) formal grammar | Coco/R
AT3[18] | Atrac 3 Sound/music file  | All Sony devices and programs with the Atrac 3+ specification
AU  | audio file[19] |
AVI[20][21] | Audio Video Interleave | Video for Windows
AVIF | AV1 Image File Format |
AWK | AWK script/program  | awk, GNU Awk, mawk, nawk, MKS AWK, Awka (compiler)
AX | DirectShow Filter  | Microsoft Corporation (Video Players)
AXF[22] | lightweight geodatabase  | ESRI ArcPad

## B

[edit]

Ext. | Description | Used by

|
|

B | BASIC language source  |
B | bc arbitrary precision calculator language file  | Unix bc tool
B64  | base64 binary-to-text encoding[23] |
BAK | backup | various
BAR | Broker Archive. Compressed file containing number of other files for deployment.[24] | IBM App Connect
BAS | BASIC language source  | QuickBASIC \- GW-BASIC \- FreeBASIC \- others
BAT | Batch file  | MS-DOS, RT-11, DOS-based command processors
BDF | Glyph Bitmap Distribution Format, a format used to store bitmap fonts.  | Adobe
BDT | Behandlungsdatentransfer, an xDT application  | Healthcare providers in Germany
BEAM | Executable bytecode file in fat binary format  | BEAM (Erlang virtual machine)[25]
BIB  | Bibliography database  | BibTex
BIN  | binary file  | Every OS
BLEND  | Blender project file  | Blender
BM3 | UIQ3 Phone backup  |
BMP[26] | OS/2 or Win graphics format (BitMap Picture)  | QPeg - CorelDraw - PC Paintbrush - many
BPS  | WPS backup file[27] | Microsoft Word, Microsoft Works
BSON  | JSON-like binary serialization[28] | MongoDB
BSP  | Binary space partitioning tree file  | Quake-based game engines
BYU  | 3D geometry format[29] | CAD systems
BZ2[30] | Archive  | bzip2

## C

[edit]

Ext. | Description | Used by

|
|

C-- | C-- language source  | Sphinx C--
C | C language source

Note that on case-sensitive platforms like Unix and with the gcc compiler the uppercase .C extension indicates a C++ source file.[31]

| Watcom C/C++, Borland C/C++, gcc and other C compilers
C | Unix file archive  | COMPACT
C++ | C++ language source  |
CPP | C++ language source  |
C32 | COMBOOT Executable (32-bit)  | SYSLINUX
CAB[32] | Cabinet archive | Windows 95 and later, many file archivers
CBL[33] | COBOL language source  |
CBT | COMBOOT Executable (incompatible with DOS COM files)  | SYSLINUX
CC | C++ language source  |
CD | ASP.NET class diagram file[14] |
CDF[34] | Common Data Format |
CDF[35] | Computable Document Format  | Mathematica
CDP[36] | Trainz Railroad Simulator Content Dispatcher Pack  | Trainz Railroad Simulator
CDR[37] | Vector graphics format (drawinF  | CorelDraw
CDXML  | MIME type: chemical/x-cdxmlXML version of the ChemDraw Exchange format, CDX.[38] |
CER[39] | Security certificate  | Microsoft Windows
CGM[40][41] | Computer Graphics Metafile vector graphics  | A&L - HG - many
CHM[42] | Compiled Help File  | Microsoft Windows, Help Explorer Viewer
CHO[43] | ChordPro lead sheet (lyrics and chords)  | ChordPro and similar tools
CIA | Decrypted Nintendo 3DS ROM cartridge  | Nintendo 3DS
CIF[44][45] | Crystallographic Information File | RasMol, Jmol
CLASS[46] | Java class file | Java
CLS  | ooRexx class file  | ooRexx
CMD | Command Prompt batch file  | Microsoft Windows NT based operating systems
CMD[47] | executable programs  | CP/M-86 operating system
CML  | Chemical Markup Language, for interchange of chemical information.[48] |
CMOD[49] | Celestia Model  | Celestia
CN1[50] | CNR IDL  | MITRE
CNOFF  | 3D object file format with normals (.noff, .cnoff)[51] NOFF is an acronym derived from Object File Format. Occasionally called CNOFF if color information is present.[52] |
COB[53] | COBOL language source  | GnuCOBOL
COE[54] | Coefficient file  | Xilinx ISE
COFF  | 3D object file format (.off, .coff)[55] OFF is an acronym for Object File Format. Used for storing and exchanging 3D models. Occasionally called COFF if color information is present.[56] |
COL  | DIMACS graph data format.[57] |
COM | DOS program  | DOS\-
COMPILE[14] | ASP.NET precompiled stub file  |
CONFIG  | Configuration file  |
CPC[58] | Compressed image  | Cartesian Perceptual Compression
CPIO | cpio archive file | cpio
CPL[59] | Control panel file  | Windows 3.x
CPY[53] | COBOL source copybook file  |
CR2[60] | Raw image format | Canon digital cameras
CR3[61] | Raw image format | Canon R series cameras
CRAI[62] | CRAM index  |
CRAFT  | Holds Spacecraft Assembly information  | Kerbal Space Program
CRT[39] | Security certificate  | Microsoft Windows
CS[63] | C# language source  |
CSPROJ[64][65] | C# project file  | Microsoft Visual Studio
CSS[66] | Cascading style sheet |
CSO[67] | Compiled Shader Object, extension of compiled HLSL | High-Level Shading Language
CSV[68] | Comma Separated Values text file format (ASCII)  |
CUB  | Used by electronic structure programs to store orbital or density values on a three-dimensional grid.[69] |
CUBE  | same as .cub  |
CUR | Non-animated cursor (extended from ICO)  | Windows

## D

[edit]

Ext. | Description | Used by

|
|

D | D Programming Language source file  | DMD
D | Directory containing configuration files (informal standard)  | Unix
DAA | Direct Access Archive |
DAE | COLLADA file  |
DAF | Data file  | Digital Anchor
DPFHTML | Extended from HTML | DarkPurpleOF's Website Extension
DART | Dart (programming language) source file  |
DAT | AMPL data file  | AMPL
DAT | LDraw (Sub)Part File, 3D Model  | LDraw
DAT | Data  | RSNetWorx Project
DAT | Data file in special format or ASCII |
DAT | Database file  | Clarion (programming language)
DAT | Norton Utilities disc image data. It saves Boot sector, part of FAT and root directory in image.DAT on same drive.  | Norton Utilities
DAT | Optical disc image (can be ISO9660, but not restricted to)  | cdrdao, burnatonce
DAT | Video CD MPEG stream  |
DAT | Windows registry hive (REG.DAT Windows 3.11; USER.DAT and SYSTEM.DAT Windows 95, 98, and ME; NTUSER.DAT Windows NT/2000/XP/7)  | Microsoft Windows
DATS | Dynamic source  | ATS
DB  | Database file  | DB Browser for SQLite
DBA | DarkBasic source code  |
DBC | Database Connection configuration file  | AbInitio
DBF  | Native format of the dBASE database management application.[70] |
DBG | Debugger script  | DOS debug - Watcom debugger
DBG | Symbolic debugging information  | Microsoft C/C++
DEB | deb software package  | Debian Linux and derivatives
DEM  | digital elevation model (DEM) including GTOPO30 and USGSDEM. GTOPO30 is a distribution format for a global digital elevation model (DEM) with 30-arc-second grid spacing.[71] USGSDEM is the standard format for the distribution of terrain elevation data for the United States.[72]
DGN | CAD Drawing  | Bentley Systems, MicroStation and Intergraph's Interactive Graphics Design System (IGDS) CAD programs
DICOM | Digital Imaging and Communications in Medicine (DICOM) bitmap  | DICOM Software (XnView)
DIF | Data Interchange Format | Visicalc
DIF | Output from [diff] command - script for Patch command  |
DIRED | Directory listing (ls format)  | Dired
DIVX | DivX media format  |
DMG | Apple Disk Image | macOS (Disk Utility)
DMP | memory dump file (e.g. screen or memory)  |
DN | Dimension model format  | Adobe Dimension[73]
DNG[74] | Digital Negative, a-publicly available archival format for the raw files generated by digital cameras  | At least 30 camera models from at least 10 manufacturers, and at least 200 software products
DOC[75][76][77] | A Document, or an ASCII text file with text formatting codes in with the text; used by many word processors  | Microsoft Word and others
DOCM | Microsoft Word Macro-Enabled Document  | Microsoft Word
DOCX[78] | Microsoft Word Document  | Microsoft Word
DOT[78] | Microsoft Word document template  | Microsoft Word
DOTX[78] | Office Open XML Text document template  | Microsoft Word
DPX[79][80] | Digital Picture Exchange |
DRC | Dirac format video  |
DSC[81] | Celestia Deep Space Catalog file  | Celestia
DTA  | Stata database transport format.[82] | Stata
DTD[83] | Document Type Definition |
DVC[84] | Data version control yaml pointer into blob storage  |
DWF | Autodesk Design Web Format | Design Review
DWG[85] | Drawing  | AutoCAD, IntelliCAD, PowerCAD, Drafix, DraftSight etc.
DX  | same as JDX and JCM.  |
DXF[86] | Drawing Interchange File Format vector graphics  | AutoCAD, IntelliCAD, PowerCAD, etc.

## E

[edit]

Ext. | Description | Used by

|
|

E | E language source code  | E
E## | EnCase Evidence File chunk  | EnCase Forensic Analysis Suite entity
E00 | ArcInfo interchange file  | GIS software
E2D | 2-dimensional vector graphics file  | Editor included in JFire
e57 | A file format developed by ASTM International for storing point clouds and images  | Most software that enables viewing and/or editing of 3D point clouds
EBD | versions of DOS system files (AUTOEXEC.BAT, COMMAND.COM, CONFIG.SYS, WINBOOT.SYS, etc.) for an emergency boot disk  | Windows 98, ME
EC | Source code  | eC
ECC | Error-checking file  | dvdisaster
EDE | Ensoniq EPS disk image  | AWAVE
EDF | European data format | Medical timeseries storage files
EFI  | Extensible Firmware Interface  |
EIS | EIS Spectrum Analyser Project  | EIS Spectrum Analyser Archived 2010-03-29 at the Wayback Machine
EL | Emacs Lisp source code file  | Emacs
ELC | Byte-compiled Emacs Lisp code  | Emacs
ELF  | Executable and Linkable File

EurekaLog File (contains details of an exception)

| Unix

EurekaLog (https://www.eurekalog.com/)

EMAIL | Outlook Express Email Message  | Windows Live Mail, Outlook Express, Microsoft Notepad
EMAKER | E language source code (maker)  | E
EMF | Microsoft Enhanced Metafile  |
EML | Email conforming to RFC 5322;[87] Stationery Template  | Email clients;Outlook Express
EMZ | Microsoft Enhanced Metafile compressed with ZIP | Microsoft Office suite
EOT | Embedded OpenType |
EP | GUI wireframe/prototype project  | Prikhi Pencil, Evolus Pencil
EPA | Award BIOS splash screen | Award BIOS, XnView
EPS | Encapsulated PostScript | CorelDraw - PhotoStyler - PMView - Adobe Illustrator - Ventua Publisher
EPUB | Electronic Publication (e-Reader format)  | Okular (Linux) - Apple Books \- Sony Reader - Adobe Digital Editions - Calibre (LMW)
EU4  | Europa Universalis 4 save game file  | Europa Universalis 4
ERL | Erlang source code file  |
ES6 | ECMAScript 6 file  |
ESCPCB | Data file of "esCAD pcb", PCB Pattern Layout Design Software  | esCAD pcb provided by Electro-System
ESCSCH | Data file of "esCAD sch", Drawing Schematics Diagram Software  | esCAD sch provided by Electro-System
ESD | Windows Imaging Format | ImageX, DISM, 7-Zip, wimlib
ETL | event trace log file  | Microsoft[88][89]
EVT | Windows Event log file  | Microsoft Windows NT 4.0 \- XP; Microsoft Event Viewer
EVTX | Windows Event log file XML structured  | Microsoft Windows Vista, 7, 8; Microsoft Event Viewer
EX | Elixir source code file  | Elixir programming language running on BEAM (Erlang virtual machine)[90]
EXE | Directly executable program  | DOS, OpenVMS, Microsoft Windows, Symbian or OS/2
EXP | Drawing File format  | Drawing Express
EXP | Melco Embroidery Format  | Embroidermodder
EXR  | OpenEXR raster image format (.exr).[55] Used in digital image manipulation for theatrical film production. EXR is an acronym for Extended Dynamic Range. Stores 16 bit per pixel IEEE HALF-precision floating-point color channels. Can optionally store 32-bit IEEE floating-point "Z" channel depth-buffer components, surface normal directions, or motion vectors.[91] |
EXS | Elixir script file  | Interactive Elixir (IEx) shell[92]

## See also

[edit]

* List of filename extensions
* List of file formats

## References

[edit]

1. ^ "Which Access file format should I use?". microsoft.com. Retrieved 2020-09-13.
2. ^ "Save and reuse database design elements". Retrieved 29 October 2015.
3. ^ "Listing of All Formats".
4. ^ "ACO (.aco)". Wolfram Language & System Documentation Center.
5. ^ "What is a vector file?". adobe.com. Retrieved 2020-09-12.
6. ^ a b Tom Erbe (1999). "AIFF-C Compression Types and Names". Archived from the original on 2006-06-20. Retrieved 2010-03-21.
7. ^ "AIFF (.aif, .aiff, .aifc)".
8. ^ Specification for Data Exchange Format for Additive Manufacturing
9. ^ Specification of AMF on ISO web page
10. ^ a b "AutomationML". AutomationML e. V. Retrieved 2020-09-13.
11. ^ "About animated cursors". gdgsoft.com. Retrieved 2020-09-14.
12. ^ Burner, Mike; Kale, Brewster (1996-09-15). "Arc File Format". Retrieved 2020-09-13.
13. ^ "Gerber Format". ucamco.com. 2020-04-09. Retrieved 2020-09-13.
14. ^ a b c d e ASP.NET Web Project File Types
15. ^ "Overview of the ASF format". microsoft.com. 2018-05-31. Retrieved 2020-09-12.
16. ^ "ASX Element". microsoft.com. 2018-05-31. Retrieved 2020-09-14.
17. ^ "Coco/R own DSL grammar". github.com.
18. ^ "ATRAC Developer's Interview". sony.net. Retrieved 2020-09-12.
19. ^ "AU (.au)".
20. ^ "AVI File Format with OpenDML Extensions, Version 1.02". www.loc.gov. 2016-03-09. Retrieved 2019-09-01.
21. ^ stevewhims. "AVI RIFF File Reference - Windows applications". docs.microsoft.com. Retrieved 2019-09-01.
22. ^ "The ArcPad Team Blog: What is an ArcPad AXF?".
23. ^ "Base64 (.b64)".
24. ^ "Deploying integration solutions". ibm.com. Retrieved 2021-05-18.
25. ^ "The Erlang Runtime System". happi.github.io. Retrieved 2018-05-07.
26. ^ "Bitmap Storage". microsoft.com. 2018-05-31. Retrieved 2020-09-12.
27. ^ "BPS File Extension - What is a .bps file and how do I open it?". fileinfo.com. Retrieved 2018-10-12.
28. ^ "BSON (.bson)".
29. ^ "BYU (.byu)".
30. ^ "BZIP2 Format Specification" (PDF). GitHub. 27 February 2022.
31. ^ "Overall Options - Using the GNU Compiler Collection (GCC)". gcc.gnu.org. Retrieved 2020-06-27.
32. ^ "Cabinet Files". microsoft.com. 2018-05-31. Retrieved 2020-09-13.
33. ^ Coughlan, Michael (16 March 2014). Beginning COBOL for Programmers. Apress. p. 400\. ISBN 978-1430262534. Retrieved 13 August 2014.
34. ^ "What is Common Data Format (CDF)?". Retrieved 2020-09-13.
35. ^ "Computable Document Format". wolfram.com. Retrieved 2020-09-12.
36. ^ "CDP File - What is it and how do I open it?". file.org. Retrieved 2022-10-28.
37. ^ "Trying to Open a .CDR File?". Retrieved 2020-09-12.
38. ^ "CDXML (.cdxml)".
39. ^ a b "Certificate extensions explained". digicert.com. Retrieved 2020-09-12.
40. ^ IANA Image Media Types
41. ^ ISO/IEC 8632
42. ^ "Create a Help Project". 2018-05-31. Retrieved 2020-09-12.
43. ^ "Welcome to ChordPro!". Retrieved 2020-09-12.
44. ^ Hall SR, Allen FH, Brown ID (1991). "The Crystallographic Information File (CIF): a new standard archive file for crystallography". Acta Crystallographica Section A. 47 (6): 655–685\. doi:10.1107/S010876739101067X.
45. ^ Brown ID, McMahon B (2002). "CIF: the computer language of crystallography". Acta Crystallographica Section B: Structural Science. 58 (Pt 3 Pt 1): 317–24\. doi:10.1107/s0108768102003464. PMID 12037350.
46. ^ "The class File Format". oracle.com. Retrieved 2020-09-12.
47. ^ Elliott, John C. "CP/M-86 executables (.CMD)". Seasip.info. Archived from the original on 2016-11-14. Retrieved 2016-08-29.
48. ^ "CML (.cml)".
49. ^ "Celestia's CMOD model format". Retrieved 2020-09-12.
50. ^ "MITRE's Combat Net Radio Initialization File". Retrieved 2020-11-30.
51. ^ "Listing of All Formats".
52. ^ "NOFF (.noff, .cnoff)".
53. ^ a b Cutler, Gary; Coen, Vincent (July 2020). "10.1. Compiling Programs". GnuCOBOL Programmer's Guide (3.1 RC-1 ed.).
54. ^ "COE File Syntax". xilinx.com. 2009.
55. ^ a b "Listing of All Formats".
56. ^ "OFF (.off, .coff)".
57. ^ "DIMACS (.col, .col.b)".
58. ^ "Technical Overview of Cartesian Perceptual Compression". 1999. Retrieved 2020-09-13.
59. ^ "Description of Control Panel (.cpl) Files". microsoft.com. 2020-08-19. Retrieved 2020-09-12.
60. ^ "Understanding What is stored in a Canon RAW .CR2 file, How and Why". Retrieved 2020-09-12.
61. ^ "Quick look: Canon's new compressed Raw format". DPReview. Retrieved 2023-07-15.
62. ^ Hsi-Yang Fritz, Markus; Leinonen, Rasko; Cochrane, Guy; Birney, Ewan (May 2011). "Efficient storage of high throughput DNA sequencing data using reference-based compression". Genome Research. 21 (5): 734–740\. doi:10.1101/gr.114819.110. ISSN 1549-5469. PMC 3083090. PMID 21245279.
63. ^ "Introduction to projects and solutions". docs.microsoft.com. 2020-11-17. Retrieved 2021-05-06.
64. ^ "Additions to the csproj format for .NET Core". microsoft.com. 2019-04-28. Retrieved 2020-09-12.
65. ^ "Understanding the project file". microsoft.com. 2012-05-04.
66. ^ "Cascading Style Sheets home page". w3.org. Retrieved 2020-09-12.
67. ^ "Compiling shaders home page". w3.org. Retrieved 2023-03-28.
68. ^ Shafranovich, Y. (October 2005). Common Format and MIME Type for CSV Files. IETF. p. 1\. doi:10.17487/RFC4180. RFC 4180.
69. ^ "Cube (.cub, .cube)".
70. ^ "DBF (.dbf)".
71. ^ "GTOPO30".
72. ^ "USGSDEM (.dem)".
73. ^ Adobe Dimension User Guide
74. ^ "Digital Negative (DNG)". Adobe Systems Incorporated. Retrieved 2018-07-30.
75. ^ Microsoft Office Binary (doc, xls, ppt) File Formats, 2008-02-15, archived from the original on 2008-02-18
76. ^ "Microsoft Office Word 97 - 2007 Binary File Format Specification (*.doc)" (PDF). Microsoft Corporation. 2008.
77. ^ MS-DOC: Word (.doc) Binary File Format, 2019-11-19, retrieved 2020-02-25
78. ^ a b c "Word Extensions to the Office Open XML (.docx) File Format". 2020-08-18. Retrieved 2020-08-29.
79. ^ ST 268-1:2014 - SMPTE Standard - File Format for Digital Moving-Picture Exchange (DPX). SMPTE. doi:10.5594/SMPTE.ST268-1.2014. ISBN 978-1-68303-083-6.
80. ^ ST 268-2:2018 - SMPTE Standard - Digital Moving-Picture Exchange (DPX) – Format Extensions for High Dynamic Range and Wide Color Gamut. SMPTE. doi:10.5594/SMPTE.ST268-2.2018. ISBN 978-1-68303-161-1. S2CID 252588275.
81. ^ "DSC Parameters recognized by Celestia v1.4.1 (and later)". Retrieved 2020-09-13.
82. ^ "DTA (.dta)".
83. ^ "Extensible Markup Language (XML) 1.0". w3.org (5 ed.). 2008-11-26. Retrieved 2020-09-13.
84. ^ "Data Version Control".
85. ^ "Open Design Specification for .dwg Files" (PDF). opendesign.com. Retrieved 2020-09-13.
86. ^ "DXF Reference" (PDF). autodesk.com. February 2011. Retrieved 2020-09-13.
87. ^ ".EML File Extension". Archived from the original on 2021-08-12. Retrieved 2022-01-10.
88. ^ "Windows Event Trace Log Sink". Microsoft TechNet. Microsoft. 2005-06-20. Retrieved 2017-02-08. "The Event Trace Sink provided with the Microsoft Enterprise Instrumentation Framework (EIF) produces event trace log (.etl) files [...]."
89. ^ Compare: Rea, Sara Morgan (2005). Building Intelligent .NET Applications: Agents, Data Mining, Rule-based Systems, and Speech Processing. Addison-Wesley Microsoft Technology Series. Addison Wesley. p. 41\. ISBN 9780321246264. Retrieved 2017-02-08. "Each call is logged to the Windows Event Trace Log and stored in a log file with an .etl (event log tracing) extension."
90. ^ "Modules and functions". elixir-lang.github.com. Retrieved 2018-05-07.
91. ^ "OpenEXR (.exr)".
92. ^ "Erlang/Elixir Syntax: A Crash Course". elixir-lang.github.com. Retrieved 2018-05-07.

## External links

[edit]

* File Extension Resource
* The File Extensions Resource
* File information site
* File format finder
* List of file types
* File format search engine