Computer File Extensions Details

File Type (Extension)

Ø How to View File Extension?

Right-click on any File and click on Properties – In general, the section we can check the type of file

	File Type	File Extension
1	Paint	.Bmp
2	Notepad	.Txt
3	WordPad	.Rtf
4	Document file (Word)	.Doc / Docx
5	Spreadsheet file (Excel)	.Xls / Xlsx / .Csv
6	Presentation File (PowerPoint)	.Ppt / Pptx / .pps
7	Database File (Access)	.mdb /.accdb
8	Mail File (Outlook)	.pst
9	Publisher File	.pub
10	Coral Draw File	.cdr
11	Photoshop	.psd .Pdd
12	Page-maker	.pmd
13	Visual Basic	.frm / .frx
14	Web Page File	.Html .aspx .php .jsp
15	Image File (Picture)	.jpg .png
16	Song File	.mp3 .wav .wma .m4a
17	Calendar file	.ics
18	Video File	.mp4 .Mpeg .Mkv .vob .3gp .wmv .avi .flv
19	Animated File	.Tiff
20	Icon file	.Ico
21	Portable document file	.pdf
22	Flash file	.fla
23	Batch file	.bat
24	Dynamic link library	.dll
25	Disc and Media FIle	.iso .vcd .bin .dmg
26.	Compress file	.rar .zip .cbr .7z .Pkg
27	Xml file	.xml
28	Executable file (PC/Window/Android/Apple)	.exe .jar .apk .ipa
29	Video game file	.dem .gam
30	Font files	.ttf .fnt .fon .otf
31	Programming files	.c .cpp .java .class .py .class .vb
32	Backup file	.bak
33	Torrent file	.torrent
34	Auto cad file	.dwg
35	3d studio file	.3ds
36	Microsoft XML paper specification	.Xps
37	Data file	.dat
38	Contact file of windows and mobile	.vcf
39	Sony digital camera image file	.arw
40	Cannon digital camera image file	.crw
41	Nikon digital camera image file	.nef
42	Apple Os picture file	.pict
43	Web page image map	.map
44	Audio interchange file format	.aiff / .aif
45	Canvas	.cvs
46	Java Script object notation	.JSON
47	Log files	Log
48	Temporary files	.temp / .tmp
49	Configuration files	.cnf / .cong / .cfg
50	Cascading style sheet	.css

Ø How to show file extension of the file in computer?

In My Computer, Click on the Organize section, then go to folder and search option, click on the view tab and uncheck the hide extension for the known file type. Here is an example of show extension.