What are the most common File Extensions?

The extension of a file or file allows the operating system to identify the type of program that is necessary to open said file. The extension of a file is the suffix that follows the name of the file.

For example in Document.docx, document is the name of the file and .docx is the extension of the file.

There are a large number of software applications available in the market. Each application has its file extension. Next, let’s see the most used types of file extensions:

Extension Type of file
to the Adobe Illustrator Document
aif Audio Interchange File
avi Audio Video Interleave
bat batch files
bin binary file
bmp Mapa de bits de Windows
bup backup file
cab Microsoft Windows compressed file
cda CD Audio Track Shortcut
cdr Corel Draw Vector or Raw Audio CD
chm Compressed Microsoft HTML Help
Which Data
divx DivX video
dll Dynamic Link Library
dmg disk image
doc Documento Microsoft Word
docx Documento Microsoft Word
dwg AutoCAD DWG
eml Email
eps Encapsulated PostScript
exe executable file
fla Adobe Flash
flv Flash Video
gif Imagen GIF (Graphics Interchange Format)
gz gzip packaged archive
hqx BinHex
htm Web – Hypertext Markup Language (HTML)
html Web – Hypertext Markup Language (HTML)
ifo DVD File Information
indd InDesign document
iso optical disc image
jar java file
jpeg JPEG image
jpg JPEG image
lnk Direct Access – Shortcut
log log file
m4a MPEG-4 Part 14
m4b MPEG-4 Part 14
m4p Protected AAC File
m4v MPEG-4 Part 14
mdb Microsoft Access
mid Audio midi – Musical Instrument Digital Interface
mov QuickTime
mp2 MPEG-1 Audio Layer II
mp3 MP3 Audio File
mp4 MPEG-4 Part 14
mpeg MPEG 1 Sistema Stream
mpg MPEG-1 Video
msi Windows Installer
mswmm Windows Movie Maker Project File
pdf PDF document
png Graficos – Portable Network Graphics
pps Show PowerPoint
ppt Microsoft PowerPoint Presentation
pptx Microspft PowerPoint 2007+
ps PostScript
psd Photoshop documento
pst Microsoft Outlook emails – Personal Storage
pub Microsoft Publisher
qbb QuickBooks file backup
qbw Spreadsheet; QuickBooks for Windows
ram RealAudio
rar RAR Archive
rm RealMedia
rmvb RealMedia Variable Bitrate
rtf Rich Text Format
sql Structured Query Language
ss Bitmap graphics; Splash
swf Vector Graphics SWF
tgz Archivo; WinZipNT – TAR – GNUzip
tif Tagged Image File Format
torrent BitTorrent
ttf Font Types – Letter
txt Plain text file
vcd Virtual CD-ROM CD Image File
vob DVD-Video Object
wav Waveform Audio Formato
wma Windows Media Audio
wmv Windows Media Video
wpd WordPerfect Document
wps Text document, MS Works
xls Microsoft Excel spreadsheet
xlsx Microsoft Excel 2007+
zip packaged file

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