Important Computer Extensions

Dear Readers,
Here is an interesting and important topic for the candidates
which can appear in computer awareness section or there are also chances to get
these questions in general knowledge part. The topic is 
File Name
Extensions.

Text Files
.logLog File
.wpdWordPerfect Document
.odt:  OpenDocument Text Document
.pages:  Pages Document
.doc:  Microsoft Word Document
.docx:  Microsoft Word Open XML Document
.tex:  LaTeX Source Document
.wps:  Microsoft Works Word Processor Document
.msg:  Outlook Mail Message
.rtfRich:  Text Format File
.txtPlain:  Text File
Data Files
.vcf:  vCard File
.dat:  Data File
.pptx:  PowerPoint Open XML Presentation
.sdf:  Standard Data File
.tar:  Consolidated Unix File Archive
.csv:  Comma Seperated Values File
.xml:  XML File
.pps:  PowerPoint Slide Show
.ppt:  PowerPoint Presentation
Audio Files
.aif:  Audio Interchange File Format
.mpa:  MPEG-2 Audio File
.ra:  Real Audio File
.iff:  Interchange File Format
.wav:  WAVE Audio File
.wma:  Windows Media Audio File
.mp3:  MP3 Audio File
Video Files
.avi:  Audio Video Interleave File
.3gp3:  GPP Multimedia File
.flv:  Flash Video File
.mpg:  MPEG Video File
.vob:  DVD Video Object File
.mp4:  MPEG-4 Video File
.3g:  23GPP2 Multimedia File
.m4:  viTunes Video File
.wmv:  Windows Media Video File