Some Important File Extensions

Hello friends you all have heard about lot of file extensions,some extensions are very popular and you know little bit about them but you don't have any knowledge about remaining extensions....................
                                   I share with all of you some commonly used file extensions(also have some new extensions) ,i hope you'll learnt this extensions and get some knowledge.

1. .doc:-Microsoft Word Document
2. .docx:-Microsoft Word Open Xml Document(this is similar to .zip file)
3. .log:-Log File
4. .msg:-Outlook Mail Messages
5. .odt:-Open Document Text Document 
6. .pages:-Pages Document(Created by apple)
7. .rtf:-Rich Text Format File
8. .txt:-Plain Text File
9. .wpd:-Word Perfect Document
10. .wps:-Microsoft Works Word Processor Document
11. .csv:-Comma Separated Values File
12. .dat:-Data File
13. .epub:-Open ebook File(digital ebooks are saved in this format)
14. .key:-Keynote Presentation
15. .pps:-Powerpoint Slides
16. .ppt:-Powerpoint Presentation
17. .pptx:-Powerpoint Presentation Open Xml Document
18. .tar:-Consolidated Unix File Archive
19. .xml:-Extensible Markup Language
20. .aif:-Audio Interchangable File Format
21. .iff:-Interchangable File Format(created by electronics art)
22. mp3:-Mp3 Audio File
23. .ra:-Real Audio
24. .wma:-Windows Media Audio
25. .wave:-Wave Audio File
26. .avi:-Audio Vedio Interleave File
27. .flv:-Flash Vedio File
28. .mov:-Apple Quik Time Movie
29. .rm:-Real Media File
30. .wmv:-Windows Media Vedio
31. .obj:-Wavefront 3d Object File
32. .bmp:-Bitmap Image File
33. .gif:-Graphical Interchange Format File
34. .jpg:-JPEG file
35. .pdf:-Portable Document Format File
36. .xlr:-Works Spreadsheet
37. .xls:-Excel Spreadsheet
38. .xlsx:-Microsoft Excel Open Xml Spreadsheet
39. .dbf:-Database File
40. .pdb:-Program Database
41. .sql:-Structured Query Language
42. .mdb:-Microsoft Access Database
43.  .app:-Mac OS X Application
44. .bat:-Batch File
45. .com:-Dos Commands File
46. .exe:-Windows Executable File
47. .gadget:-Windows Gadget
48. .jar:-Java Archive File
49. .pif:-Program Information File
50. .vb:-VBScript File
51. .wsf:-Windows Script File
52. .asp:-Active Server Page
53. .aspx:-Active Server Page Extended File
54. .css:-Cascading Style Sheet
55. .htm:-Hypertext Markup Language
56. .php:-Hypertext Preprocessor File
57. .jsp:-Java Server Page
58. .xhtml:-Extensible Hypertext Markup Language
59. .fnt:-Windows Font File
60. .dll:-Dynamic Link Library
61. .drv:-Device Driver
62. .sys:-Windows System File
63. .7z:-7-Zip Compressed File
64. .rar:-Winrar Compressed Achive
65. .gz:-Gnu Zipped Archive
66. .tar.gz:-Tarball Compressed File
67. .zip:-Zipped File
68. .zipx:-Extended Zip File
69. .bin:-Binary Disc Image
70. .vcd:-Virtual CD
71. .c:-C Source Code File
72. .class:-Java Class File
73. .cpp:-C++ Source Code File
74. .java:-Java Source Code File
75. .cs:-Visual C# Source Code File
76. .pl:-Perl Script
77. .py:-Python Script
78. .bak:-Backup File
79. .temp:-Temporary File
80. .msi:-Windows Installer Package
81. .part:-Partially Downloaded File
82. .torrent:-BitTorrent File 

"Thankss Friends!!!!!!!!!!!!!!!!!! For Listning Me I Know After Read These Extensions You are become Enthusiastic"