There are a huge number of different computer file formats available. Here we describe some of the most popular. Click on a file extension for more detailed information.
If you want to convert a file from one format to another we make that super easy to do at Zamzar. Just upload your file and let us do all the hard work. Zamzar supports conversion between most of the formats below!
We're adding support for new formats all the time. If there's a format that you'd like us to support why not contact us and we'll do our best to add it.
Click a category to see details of the file formats:
| Document File Formats | ||
|---|---|---|
| File Format | Author | What Programs Use It? |
| csv - Comma Separated Values | Microsoft |
The CSV file format is very simple and supported by almost all spreadsheets and database management systems
|
| djvu - DjVu File | AT&T Labs - Research |
LizardTech Browser Plug In
DjVuLibre DjView
WinDjView
MacDjView Desktop Viewer
|
| doc - Microsoft Word Document | Microsoft |
Microsoft Word
Apple Pages
AppleWorks
StarOffice
AbiWord
KWord
|
| docx - Microsoft Word 2007 Document | Microsoft |
Microsoft Word 2007
Microsoft Word 2008 (MAC)
Word 2010
OxygenOffice Professional (Linux)
|
| eml - E-Mail | Microsoft |
Microsoft Outlook
Mozilla Thunderbird
Microsoft Windows Live Mail
IncrediMail
Apple Mail
|
| eps - Encapsulated PostScript | Adobe Systems |
Adobe Acrobat
Adobe Illustrator
Adobe Photoshop
Microsoft Digital Image Editor
CorelDRAW
QuarkXPress
|
| html - Hypertext Markup Language | World Wide Web Consortium & WHATWG |
Any Web Browser (e.g. Internet Explorer, Safari, Firefox, Google Chrome)
|
| html4 - Hypertext Markup Language | World Wide Web Consortium & WHATWG |
Any Web Browser (e.g. Internet Explorer, Safari, Firefox, Google Chrome)
|
| html5 - Hypertext Markup Language | World Wide Web Consortium & WHATWG |
Any Web Browser (e.g. Internet Explorer, Safari, Firefox, Google Chrome)
|
| json - JavaScript Object Notation | Douglas Crockford |
Google Chrome
Microsoft Notepad
Microsoft WordPad
Mozilla Firefox
TextWrangler
|
| key - Apple iWork Keynote Presentation | Apple Inc |
Apple iWork
Keynote 5.1
Keynote 5.2
Keynote 5.3
Keynote 6.0
Keynote 6.1
Keynote 6.2
Keynote 6.5
|
| key09 - Apple iWork '09 Keynote Document | Apple Inc |
iWork '09
Keynote 5.0
Keynote 5.1
Keynote 5.2
Keynote 5.3
|
| key.zip - Apple iWork '05-'08 Keynote Presentation | Apple Inc |
Apple iWork '05
Apple iWork '08
Keynote 1.0
Keynote 2.0
Keynote 3.0
Keynote 4.0
|
| md - Markdown Document | John Gruber and Aaron Swartz |
Byword
Obsidian
HackMD
|
| mdb - Microsoft Access Database | Microsoft |
Microsoft Access
MDB Viewer Plus
|
| mpp - Microsoft Project Document | Microsoft |
Microsoft Project
|
| msg - Encapsulated email message | Microsoft |
Microsoft Outlook
Priasoft MSG File Viewer and Assessor
Encryptomatic MsgViewer Pro
|
| numbers - Apple iWork Numbers Spreadsheet | Apple |
Apple iWork
Numbers 2.1
Numbers 2.2
Numbers 2.3
Numbers 3.0
Numbers 3.5
|
| numbers09 - Apple iWork '09 Numbers Spreadsheet | Apple |
Apple iWork
Numbers 2.0
Numbers 2.1
Numbers 2.2
Numbers 2.3
|
| numbers.zip - Apple iWork '08 Numbers Spreadsheet | Apple Inc |
Apple iWork '05
Apple iWork '08
Numbers 1.0
|
| odp - OpenDocument presentation | Sun Microsystems and Oasis |
OpenOffice Impress
NeoOffice
StarOffice
KOffice
Corel WordPerfect
Lotus Symphony
|
| ods - OpenDocument spreadsheet | Sun Microsystems |
OpenOffice Calc
Microsoft Office 2010
Microsoft Office 2007
|
| odt - OpenDocument text | Sun Microsystems |
OpenOffice Writer
Microsoft Office 2010
Microsoft Office 2007
|
| pages - Apple iWork Pages Document | Apple Inc |
Apple iWork
Pages 4.1
Pages 4.2
Pages 4.3
Pages 5.0
Pages 5.1
Pages 5.2
Pages 5.5
|
| pages09 - Apple iWork '09 Pages Document | Apple Inc |
iWork '09
Pages 4.0
Pages 4.1
Pages 4.2
Pages 4.3
|
| pages.zip - Apple iWork '05-'08 Pages Document | Apple Inc |
Apple iWork '05
Apple iWork '08
Pages 1.0
Pages 2.0
Pages 3.0
|
| pdf - Portable Document Format | Adobe Systems |
Adobe Viewer
gPDF
Xpdf
Ghostview
Ghostscript
|
| pps - Microsoft PowerPoint Presentation | Microsoft |
Apple Keynote
Microsoft PowerPoint
OpenOffice
|
| ppsx - Microsoft PowerPoint 2007 Slide Show | Microsoft |
Apple Keynote
OpenOffice
Microsoft PowerPoint
|
| ppt - Microsoft PowerPoint Presentation | Microsoft |
Microsoft PowerPoint
Apple Keynote
OpenOffice
|
| pptx - Microsoft PowerPoint 2007 Presentation | Microsoft |
Apple Keynote
OpenOffice
Microsoft PowerPoint
|
| ps - PostScript | Adobe Systems |
Adobe Acrobat
Quark Xpress
Adobe Photoshop
|
| pst - Personal Folder File | Microsoft |
Microsoft Outlook 365
Microsoft Exchange Server
Encryptomatic PSTViewer Pro
|
| pub - Microsoft Publisher | Microsoft |
Microsoft Publisher
|
| rtf - Rich Text Format | Microsoft |
WordPad
Microsoft Word
TextEdit
AbiWord
Kword
|
| swf - Macromedia Flash Format File | FutureWave Software |
Adobe Flash Player (standalone program)
Web browser with the Flash plug-in installed
|
| tex - LaTeX Document | Leslie Lamport |
TeXmaker
LyX
TeXworks
|
| txt - Text Document | Various |
Notepad
WordPad
TextEdit
|
| vsd - Visio Drawing | Microsoft |
Microsoft Visio
Microsoft Visio Viewer
Microsoft Internet Explorer
|
| vsdx - Visio 2013 Drawing | Microsoft |
Microsoft Visio 2013
|
| wks - Microsoft Works Spreadsheet | Microsoft |
Microsoft Works
|
| wpd - WordPerfect Document | Corel |
Corel WordPerfect
Microsoft Word
OpenOffice Writer
|
| wps - Microsoft Works Document | Microsoft |
Microsoft Works Word Processor
Works Converter
Microsoft Word
OxygenOffice
NeoOffice
|
| xls - Microsoft Excel Spreadsheet | Microsoft |
Microsoft Excel
Microsoft Excel Viewer
OpenOffice
|
| xlsx - Microsoft Excel 2007 Spreadsheet | Microsoft |
Microsoft Excel 2007
OxygenOffice Progessional (Linux)
OpenOffice
|
| xlr - Works Spreadsheet or Chart (Microsoft Corporation) | Microsoft |
Microsoft Works
|
| xml - Extensible Markup Language | World Wide Web Consortium |
Microsoft Office InfoPath
Microsoft Internet Explorer
Notepad
Firefox
Chrome
Safari
Oxygen XML Editor
|
| xps - Open XML Paper Specification | Microsoft |
Microsoft XPS Viewer
Microsoft Internet Explorer
Firefox
Chrome
Safari
|
| Image File Formats | ||
|---|---|---|
| File Format | Author | What Programs Use It? |
| 3fr - Hasselblad 3F RAW Image | Victor Hasselblad AB |
Adobe Photoshop
Adobe Photoshop Elements
Corel Draw
|
| ai - Adobe Illustrator Artwork | Adobe |
Adobe Reader
Adobe Photoshop
Corel Paint Shop Pro
|
| arw - Sony Alpha Raw | Sony |
Adobe Photoshop
Adobe Photoshop Elements
Corel Draw
GIMP
Google Picasa
XnView
|
| avif - AV1 Image File Format | Alliance for Open Media |
Adobe Illustrator
Apple Photos on iOS 16+ and macOS 13+
Gimp
XnView
|
| bmp - Windows bitmap | Microsoft |
MS Paint
Microsoft Photo Editor
Adobe Photoshop
Paintbrush
|
| cdr - Corel Draw Vector drawing file | Corel Corporation |
Adobe Reader
Adobe Illustrator
Corel PaintShop Photo Pro
Corel WordPerfect Office
LibreOffice
|
| cr2 - Canon RAW version 2 | Canon Inc. |
Adobe Photoshop
Adobe Photoshop Lightroom
Picasa
Paint Shop Pro
digiKam
|
| crw - Canon RAW CIFF Image File | Cannon |
Adobe Photoshop
Adobe Photoshop Elements
Corel Draw
Google Picasa
Microsoft Windows Photos
|
| dcr - Kodak RAW Image File | Kodak |
Adobe Photoshop
Adobe Photoshop Elements
Corel Draw
Google Picasa
|
| dng - Digital Negative | Adobe |
Adobe Photoshop
Adobe Photoshop Elements
Adobe Photoshop Lightroom
Corel Draw
Google Picasa
|
| emf - Windows Enhanced Metafile | Microsoft |
Microsoft Word
QuarkXPress
Microsoft Publisher
|
| erf - Epson RAW File | Epson |
Adobe Photoshop
Adobe Photoshop Elements
Corel Draw
Epson PhotoRAW
|
| gif - Compuserve graphics interchange | CompuServe |
Apple Preview
Adobe Photoshop
Corel Paint Shop Pro
Microsoft Windows Photo Gallery Viewer
|
| heic - High Efficiency Image Coding | Moving Picture Experts Group (MPEG) |
Mac OS Preview app
Microsoft Photos app
Adobe Photoshop
|
| ico - Windows Icon | Microsoft |
Microsoft Paint
Adobe Photoshop
Windows Picture and Fax Viewer
|
| jpg - JPEG compliant image | The JPEG Committee |
Apple Preview
Adobe Photoshop
Corel Paint Shop Pro
Microsoft Windows Photo Gallery Viewer
|
| mdi - Microsoft Document Imaging | Microsoft |
Microsoft Office Imaging
|
| mef - Mamiya RAW Image | Mamiya |
Adobe DNG Converter
Adobe Photoshop
Adobe Photoshop Elements
Corel Draw
|
| mrw - Minolta RAW | Minolta |
Adobe Photoshop
Adobe Photoshop Elements
Apple Photos
Corel Draw
Google Picasa
Microsoft Windows Photos
|
| nef - Nikon Electronic Format | Nikon Inc. |
Adobe Photoshop
Adobe Photoshop Lightroom
Picasa
Paint Shop Pro
digiKam
|
| odg - OpenDocument Drawing | Sun Microsystems |
OpenOffice Draw
Libre Office
|
| orf - Olympus RAW Image file | Olympus |
Adobe Photoshop
Adobe Photoshop Elements
Corel Draw
Olympus Master
Google Picasa
|
| pcx - Paintbrush Bitmap Image | ZSoft Corporation |
Microsoft Paint
Adobe Photoshop
Windows Picture and Fax Viewer
|
| pef - Pentax RAW file | Pentax |
Adobe Photoshop
Adobe Photoshop Elements
Corel Draw
Google Picasa
|
| png - Portable Network Graphic | PNG Development Group |
Apple Preview
Safari
Microsoft Windows Photo Gallery Viewer
Corel Paint Shop Pro
GIMP - The GNU Image Manipulation Program (LINUX)
|
| ppm - Portable Pixmap file | Jef Poskanzer |
Adobe Photoshop
Corel Draw
GIMP
Netpbm
|
| psd - Photoshop Document | Adobe Systems |
Adobe Photoshop
Adobe InDesign CS6
Adobe Illustrator CS6
GIMP
|
| raf - Fuji RAW Image File | Fuji |
Adobe Photoshop
Adobe Photoshop Elements
Adobe Lightroom
Corel Draw
Google Picasa
|
| raw - RAW Image File | Various |
Adobe Photoshop
Adobe Photoshop Elements
Apple Preview
Corel Draw
Google Picasa
|
| sr2 - Sony RAW Image File | Sony |
Adobe DNG Converter
Corel Draw
Microsoft Windows Photos
XnViewMP
|
| svg - Scalable Vector Graphics | World Wide Web Consortium |
Apple Preview
Adobe Photoshop
Corel Paint Shop Pro
Corel SVG Viewer
|
| tga - Truevision Targa Graphic | Truevision |
Adobe Photoshop
Corel Paint Shop Pro
Painter
GIMP
|
| thumbnail - Thumbnail image | CompuServe |
Apple Preview
Adobe Photoshop
Corel Paint Shop Pro
Microsoft Windows Photo Gallery Viewer
|
| tiff - Tagged image file format | Aldus, Adobe Systems |
CyberLink PowerDVD
Windows Media Player
VideoLAN VLC Media Player
InterVideo WinDVD
|
| wbmp - Wireless Bitmap File Format | WAP Forum |
Microsoft Paint
Adobe Photoshop
Windows Picture and Fax Viewer
|
| webp - Lossily compressed image file |
Google Chrome
Adobe Photoshop
Picasa
|
|
| wmf - Windows Metafile | Microsoft |
Microsoft Word
QuarkXPress
Microsoft Publisher
|
| x3f - Sigma Camera RAW Picture File | Sigma & Foveon Inc. |
Adobe Photoshop
Corel Draw
Google Picasa
|
| xcf - eXperimental Computing Facility | eXperimental Computing Facility of the University of California at Berkeley |
GIMP
CorelDraw
XnViewMP
|
| Audio File Formats | ||
|---|---|---|
| File Format | Author | What Programs Use It? |
| 3ga - 3GA Multimedia File | 3rd Generation Partnership Project (3GPP) |
QuickTime Player
VLC Media Player
Windows Media Player
|
| aac - Advanced Audio Coding File | A combination of Fraunhofer IIS, AT&T Bell Laboratories, Dolby and Sony Corporation |
iTunes
Windows Media Player
RealPlayer
KMPlayer
VideoLAN VLC Media Player
|
| ac3 - AC3 Audio File | Dolby Digital |
QuickTime Player
VLC Media Player
Windows Media Player
|
| aifc - Audio Interchange File Format Compressed | Apple Inc |
Windows Media Player
Apple QuickTime
VLC media Player
Winamp
|
| aiff - Audio Interchange File Format | Apple Inc |
Windows Media Player
Apple QuickTime
VLC media Player
Winamp
|
| amr - Adaptive Multi-Rate Audio Codec | 3rd Generation Partnership Project (3GPP) |
Apple QuickTime
Realplayer
VLC media Player
Winamp
|
| ape - Monkeys Audio | Monkeys Audio |
VLC media Player
APE Player
|
| caf - Core Audio Format | Apple Inc |
Apple QuickTime
VLC media Player
|
| flac - Free Lossless Audio Codec | Xiph.Org Foundation |
Windows Media Player
VLC Media Player
Real Player
|
| m4a - Compressed video file | Apple |
Apple iTunes
VLC
Apple QuickTime Player
iPhone
iPad
Android Tablet
Android Phones
|
| m4b - MPEG-4 Audio Layer Bookmarkable File | Apple |
Apple iTunes
Apple QuickTime Player
|
| m4r - iPhone Ringtone File | Apple |
Apple iTunes
Apple QuickTime Player
|
| midi - Musical Instrument Digital Interface | Various |
Audio Evolution
GarageBand
Master Tracks Pro
Sonar
|
| mp3 - Compressed audio file | Moving Picture Experts Group |
RealOne
WinAmp
iTunes
Windows Media Player
|
| oga - Ogg Audio Only File | Xiph.Org Foundation |
Windows Media Player
Apple QuickTime Player
Real Player
|
| ogg - Ogg Vorbis Compressed Audio File | Xiph.Org Foundation |
Windows Media Player
Apple QuickTime Player
Real Player
|
| ra - RealMedia Streaming Media | Real Networks |
RealNetworks RealPlayer
|
| ram - RealMedia Metafile | Real Networks |
RealNetworks RealPlayer
|
| wav - Windows audio file | Microsoft & IBM |
Microsoft Windows Media Player
Quicktime
VLC
|
| wma - Windows Media Audio | Microsoft |
Windows Media Player
VLC Media Player
MPlayer
Realplayer
Windows Movie Maker
|
| Video File Formats | ||
|---|---|---|
| File Format | Author | What Programs Use It? |
| 264 - H.264 Raw Files | International Telecommunications Union and International Organization for Standardization/International Electrotechnical Commission Moving Picture Experts Group |
VideoLAN VLC Media Player
|
| 3g2 - 3GPP2 Multimedia File | 3rd Generation Partnership Project 2 |
Apple QuickTime Player
VideoLAN VLC Media Player
Microsoft Media Player Classic
Totem
GOM Player
|
| 3gp - 3GPP Multimedia File | 3rd Generation Partnership Project (3GPP) |
QuickTime Player
VLC Media Player
Windows Media Player
|
| 3gpp - 3GPP Multimedia File | 3rd Generation Partnership Project (3GPP) |
QuickTime Player
VLC Media Player
Windows Media Player
|
| asf - Advanced Streaming Format | Microsoft |
Windows Media Player
Real Player
VLC Media Player
|
| avi - Windows video file | Microsoft |
Microsoft Windows Media Player
VideoLAN VLC Media Player
ALLPlayer
Apple QuickTime Player
|
| f4v - Flash MP4 video | Apple |
VideoLAN VLC Media Player
Windows Media Player
FFDShow
Microsoft Windows Photo Gallery Viewer
|
| flv - Flash video | Adobe Systems Incorporated |
VideoLAN VLC Media Player
Windows Media Player
FFDShow
Microsoft Windows Photo Gallery Viewer
|
| gvi - Google video file |
Google VideoPlayer
VideoLAN VLC Media Player
Windows MediaPlayer classic
|
|
| ipad - MPEG-4 (H264) Video File | Moving Picture Experts Group |
Apple QuickTime Player
Apple iTunes
Microsoft Windows Media Player
VideoLAN VLC Media Player
|
| iphone - MPEG-4 (H264) Video File | Moving Picture Experts Group |
Apple QuickTime Player
Apple iTunes
Microsoft Windows Media Player
VideoLAN VLC Media Player
|
| ipod - MPEG-4 Video File | Moving Picture Experts Group |
Apple QuickTime Player
Apple iTunes
Microsoft Windows Media Player
VideoLAN VLC Media Player
|
| m2ts - Blu-ray BDAV Video file | Blu-ray Disc Association |
Windows Media Player
VideoLAN VLC Media Player
|
| m4v - MPEG-4 Video File | Apple |
Apple iTunes
Apple QuickTime Player
VLC Media Player
|
| mkv - Matroska Multimedia Container | Steve Lhomme |
VLC Media Player
|
| mov - Apple QuickTime Movie | Apple |
Apple QuickTime Player
CyberLink PowerDirector
Roxio Easy Media Creator
|
| mod - Hard disk camera movie | JVC/Panasonic |
VLC Media Player
Windows Media Player
Quicktime Player
|
| mp4 - MPEG-4 Video File | Moving Picture Experts Group |
Apple QuickTime Player
Apple iTunes
Microsoft Windows Media Player
VideoLAN VLC Media Player
|
| mpg - Moving Picture Experts Group File | ISO, IEC |
Windows Media Player
VideoLAN VLC Media Player
|
| mts - AVCHD Video File | Sony, Panasonic |
Windows Media Player
VideoLAN VLC Media Player
|
| rm - RealMedia Streaming Media | Real Networks |
RealNetworks RealPlayer
|
| rmvb - RealVideo Variable Bit Rate File | RealNetworks |
RealPlayer
VLC Media Player
|
| ts - Video Transport Stream File | MPEG |
VideoLAN VLC Media Player
|
| vob - Video Object File | Apple |
Adobe Flash Player (standalone program)
Web browser with the Flash plug-in installed
|
| webm - Multimedia Container Format | Google (Previously developed by On2, Xiph, and Matroska) |
Google Chrome
Mozilla Firefox
VLC Media Player
|
| wmv - Windows Media Video | Microsoft |
Microsoft Windows Media Player
VideoLAN VLC Media Player
PowerDVD
RealPlayer
MPlayer
|
| eBook File Formats | ||
|---|---|---|
| File Format | Author | What Programs Use It? |
| azw - Amazon Kindle eBook File | Amazon |
Kindle Reader
Kindle for iOS
Kindle for Android
|
| azw3 - Amazon KF8 eBook File | Amazon |
Kindle Reader
Kindle for iOS
Kindle for Android
Kindle Fire
|
| cbc - eBook Format | Various |
Comic Book Collector
|
| cbr - Comic Book RAR Archive | Various |
CDisplay
ComicFlow
Perfect Viewer
|
| cbz - Comic Book Archive File | Various |
CDisplay
ComicFlow
Perfect Viewer
|
| chm - Compiled HTML Help File | Microsoft |
Microsoft Reader
Beyond CHM
Mozilla Firefox
Internet Explorer
|
| epub - Open eBook File | International Digital Publishing Forum (IDPF) |
Adobe Digital Editions
Sony Reader
Apple iBooks
Mobipocket Reader Desktop
|
| fb2 - FictionBook 2.0 File | FictionBook |
Calibre
Apple iBooks
Cool Viewer
|
| lit - Microsoft eBook File | Microsoft |
Microsoft Reader
|
| lrf - Sony Portable Reader File | Sony |
Sony Reader
|
| mobi - Mobipocket eBook | Mobipocket / Amazon |
Apple iBooks
Amazon Kindle
Mobipocket Reader Desktop
|
| oeb - Open eBook File | International Digital Publishing Forum (IDPF) |
Apple iBooks
Adobe Digital Editions
Sony Reader
|
| pdb - Palm Media eBook File | Palm, Inc. |
ICE Book Reader
Palm Reader
|
| pml - eBook File | Palm, Inc. |
Dropbook
MakeBook
Adobe Framemaker
|
| prc - Mobipocket eBook File | Mobipocket |
Apple iBooks
Amazon Kindle
Mobipocket Reader Desktop
|
| rb - RocketEdition eBook File | NuvoMedia |
GEB Librarian
RB2Project
Book Designer
|
| tcr - Psion eBook File | Psion Teklogix |
GNU Tar
WinZip
StuffIt
Apple Archive Utility
|
| Archive File Formats | ||
|---|---|---|
| File Format | Author | What Programs Use It? |
| 7z - 7-Zip Compressed File | 7-zip |
7Zip
WinZip
WinRAR
|
| cab - Cabinet File | Microsoft |
WinRAR
WinZip
StuffIt
MakeCab
|
| lzh - Compressed Archive File | Haruyasu Yoshizaki |
WinRAR
LHA
WinZip
|
| rar - WinRAR Compressed Archive | Eugene Roshal |
WinRAR
StuffIt
7Zip
WinZip
|
| tar - Tape Archive File | The GNU Project |
GNU Tar
WinZip
StuffIt
Apple Archive Utility
|
| tar.bz2 - Bzip 2 UNIX Compressed File | The GNU Project |
GNU Tar
WinZip
StuffIt
Apple Archive Utility
|
| tar.gzh - Gzip Compressed Archive | The GNU Project |
eBook for EPOC
STDU Viewer
|
| tar.gz - Gzip Compressed Archive | The GNU Project |
eBook for EPOC
STDU Viewer
|
| yz1 - DeepFreezer Compressed Archive | Yamazaki ZIPPER |
IZArc
TUGZip
DeepFreeezer
ZipZag
|
| zip - Compressed Archive File | PKWARE |
Winzip
StuffIt
WinRAR
|