1. .txt – Plain Text File
2. .doc – Microsoft Word Document
3. .docx – Microsoft Word Open XML Document
4. .odt – OpenDocument Text Document
5. .rtf – Rich Text Format Document
6. .pdf – Portable Document Format
7. .wpd – WordPerfect Document
8. .wps – Microsoft Works Document
9. .html – HyperText Markup Language Document
10. .htm – HyperText Markup Language Document
11. .xml – Extensible Markup Language Document
12. .log – Log File
13. .csv – Comma Separated Value File
14. .msg – Outlook Mail Message
15. .eml – Email Message
16. .wp – WordPerfect Document Template
17. .wpt – WordPerfect Text Document Template
18. .tex – LaTeX Source Document
19. .text – Plain Text File
20. .ans – ANSI Text File
21. .tbl – Text Table File
22. .asc – Ascii Text File
23. .diz – Description in Zip File
24. .ini – Windows Initialization File
25. .cfg – Configuration File
26. .inf – Setup Information File
27. .lit – Microsoft Reader E-Book
28. .me – Readme File
29. .css – Cascading Style Sheet
30. .js – JavaScript File
