What is Popsi ( Postulation based permuted subject indexing) POPSI

 Information Storage and Retrieval 

List of Common File Format and Extension

In this blog, I am going to show you some Popular file formats that are used widely for Information Storage and Retrieval.

                                                              

 Text Formats

.doc and .docx  -        Microsoft Word file

.pdf         -        Portable Document Format

.rtf           -         Rich Text Format

.odt         -         OpenOffice Writer document file

.tex          -         A LaTex document file

.wpd -                 WordPerfect document

Image file Fomat

.jpeg or .jpg    -    Joint Photographic Experts Group

.png        -            Portable Network Graphics

.gif        -            Graphics Interchange Format

.bmp    -    Bitmap Image

.tiff or.tif    -    Tag Image File Format

.ai        -        Adobe Illustrator File

.ico        -       Icon File

.psd        -    Photoshop Document)

.svg        -    Scalable Vector Graphics File

.ps          -    Postscript File

Audio File Format

.aif    -    Audio Interchange Format

.mp3    -    Moving Picture Experts Group Layer-3

.wma    -    Windows Media Audio

.wav    -    Wavefprm Audio

.cda       -    Compact Disc Audio,

.mid or .midi    Music Instrument Digital

.ogg    -    Ogg Vorbis Audio File

.wpl        - Windows Media Player List

Video File Format

.3gp        -    Third generation Partnership Project'

.avi    -        Audio Video Interleave

.flv        -     Adobe Flash File

.h264    -    High-definition digital video

.m4v    -    Apple MP4 video file

.mp4    -    MPEG Layer-4 Audio.

.mkv    -    Matroska multimedia container format.

.mov        -    Apple Quick Time

.mpg or .mpeg     Moving Picture Experts Group 

.rm     -   RealMedia

.swf    -    Small Web Format

.vob    -    for video object

.wmv    -    Windows Media Video

Spreadsheet file format

.ods        -    OpenOffice spreadsheet file

.xls        -        Microsoft Excel file

.xlsm     -        Microsoft Excel file with macros

.xlsx        -    Microsoft Excel Open XML spreadsheet file

Data and Database file format

.csv    -    Comma Separated value file

.dat    -    Data file

.db or .dbf    -    Database file

.log        -    Log file

.mdb      -    Microsoft Acces database file

.sav        -    Save file 

.sql         -    Structured Query language

.tar         -    Tape Archive

.xml        -    extensible markup language