File Extension Type of Computer File Name
File Extension Type of Computer File Name
'英語 English:File extension
日語 Japanese:ファイル拡張子 (ふぁいるかくちょうし)
類義 Synonym:Type of file Part after comma Part after dot
意味 Meaning:A file extension
is a name that specifies the type of file. A computer file is made up of two parts: file name
+ file extension
. A period separates the file name and the file extension.
解説 Commentary:The computer file mydream.txt
has two parts: the file name mydream
+ the file extension .txt
.
The computer looks up the file extension to determine how the file should be handled. For example, when it finds the file extension .txt
, it thinks, "This is a text file, so I can use Microsoft Word or Memo pad to open it."
有名なファイル拡張子 List of Popular File Extension :
File extension | Long name | Data |
---|---|---|
.ai | Adobe Illustrator | Image data |
.avi | Audio Video Interleave | Video data |
.dat | Data file | General data |
.doc | Document file | Text data |
.docx | Document file | Text data |
.dll | Dynamic-link library | Execution data |
.dxf | Drawing Exchange Format | Design data |
.dwg | Drawing | Design data |
.exe | Executable file | Execution data |
.jpg | Joint photographic experts group | Image data |
.jpeg | Joint photographic experts group | Image data |
.hgt | ー | Map data |
.htm | Hypertext markup language | Web data |
.html | Hypertext markup language | Web data |
.msi | Windows Installer | Microsoft Data |
.mov | Quicktime File Format | Video data |
.mp3 | MPEG-1 Audio Layer III | Audio data |
.mp4 | MPEG-4 Part 14 | Video data |
.pdf | Portable Document Format | Image data |
.png | Portable Network Graphics | Image data |
.ppt | PowerPoint presentation | Text data |
.psd | Photoshop Data | Image data |
.svg | Scalable Vector Graphics | Image data |
.txt | Plain text file | Text data |
.wav | Waveform Audio File | Video data |
.wave | Waveform Audio File | Video data |
.xls | Excel file until 2003 | Text data |
.xlsm | Excel file from 2007 with macro | Text data |
.xlsx | Excel file from 2007 | Text data |
.zip | Zipped file | Compressed data |
体系 System:情報科学 (Information science) > プログラミング (Programming) > コンピューター (Computer) > ファイルシステム (File system) > ファイル拡張子 (File extension)
多言語対応 Multilingualism:
韓文 Hanguel:파일 확장자 (pail hwakjangja 발음 파일 확짱자 pail hwakjjangja)
中文 Chinese:繁体 文件擴展名 簡体 文件扩展名 (wénjiànkuòzhǎnmíng wen2jian4kuo4zhan3ming2)
探究 Further study:
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