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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