What are the extensions of 15 common files?

The 15 common file extensions are: 1. ".txt" format; 2. ".pdf" format; 3. ".doc" or ".docx" format; 4. ".jpg" Format; 5. “.gif” format; 6. .png; 7. “.mp4” format; 8. “.mov” format; 9. “.mp3” format; 10. “.rar” format; 11. “ .zip” format; 12. “.exe” format; 13. “.bak” format; 14. “.ppt” format; 15. “.htm” format.

#The operating environment of this tutorial: Windows 10 system, Dell G3 computer.

What are the 15 common file extensions?

The 15 common file extensions are as follows.

1. .txt: text format, extension of text file.

2. .pdf: Portable document format, electronic file format, which is based on language and images. It cannot be edited at will like word.

3. .doc or .docx: document format, word document suffix.

4. .jpg: picture format. The size is smaller than png. But the image is lossy compression. After editing and saving multiple times, the picture becomes blurry.

5. .gif: animated image format.

6. .png: Picture format, pictures are lossless compression.

7. .mp4: Video file format.

8. .mov: a high-definition video format developed by Apple.

9. .mp3: audio format.

10. .rar: Compressed file format.

11. .zip: compressed file format.

12. .exe: executable program. The installation package of general software has this extension.

13. .bak: backup file.

14. .ppt: presentation

15. .htm or html: hypertext document

Related introduction:

Common file extensions , Windows system files are divided into many types according to different formats and uses. In order to facilitate management and identification, when naming files, they are distinguished by their extensions, that is, the file name format is: "Main file name. Extension name". In this way, the type of file can be determined based on the file extension, so as to know its format and purpose. Mainly ISO, RAR, html, zip, exe, pdf, etc.

##bmp, gif, jpg, pic, png, tif (these file types can be opened with common image processing software)Sound filewav (can be opened by media player), aif (can be opened by common sound processing software), au (common sound Processing software can open), mp3 (played by winamp), ram (played by realplayer), wma, mmf, amr, aac, flacanimation fileavi (can be played by commonly used animation processing software), mpg (played by vmpeg), mov (played by activemovie), swf (can be played by the players program that comes with flash)System filesint, sys, dll, adtexecutable file

File type	Extension and opening method
Document file	txt (can be opened by all word processing software or editors), doc (can be opened by software such as word and wps), hlp (can be opened by adobe acrobat reader) Open), wps (can be opened by wps software), rtf (can be opened by software such as word and wps), html (can be opened by various browsers, and its source code can be viewed by opening it with WordPad), pdf (adobe acrobat reader and various Electronic reading software can open)
Compressed file	##rar (winrar can open), zip (winzip can open ), arj (can be opened after decompressing with arj), gz (compressed files of unix system, can be opened with winzip), z (compressed files of unix system, can be opened with winzip)
Graphic files
	exe, com
Language file	c, asm, for, lib, lst, msg, obj, pas, wki, bas, java
##Image file	map (other Each line defines an image area and the url information that should be returned when the area is triggered)
Backup file	bak (auxiliary file created automatically or by command, which contains the latest version of a file)
Temporary file	tmp (word, excel and other software will generate such files during operation)
Template file	dot (the creation of documents in some commonly used formats can be simplified through word templates)
Batch file	bat, cmd (in ms-dos, bat and cmd files are executable files, consisting of a series of commands, which can include calls to other programs)

For more related knowledge, please visit the

FAQ column!

The above is the detailed content of What are the extensions of 15 common files?. For more information, please follow other related articles on the PHP Chinese website!