155 How can I determine file type without an extension on Windows? 2011-04-24T07:36:29.793

117 File extension for Markdown files? 2011-02-23T16:23:18.717

105 How do you remove a default program association for file types in Windows 7? 2009-10-01T15:37:21.000

53 Find files filtered by multiple extensions 2010-04-01T01:31:40.227

53 Does it make sense converting a file to a higher audio bitrate? 2013-05-10T11:40:58.260

46 Programatically associate file extensions with application on Windows 2012-03-31T13:29:07.900

45 How do I find out the file type without an extension? 2012-06-11T11:34:39.507

29 How to extract a complete list of extension types within a directory? 2012-03-07T14:44:02.843

25 osx - stop xcode from opening ruby files 2013-04-05T16:30:01.033

21 Show/hide extension of a file through OS X command line 2012-03-12T20:17:30.677

18 On Windows, what filename extensions denote an executable? 2011-01-03T19:34:55.387

15 What file extensions should be used on GPG generated output? 2014-09-20T16:03:25.917

13 Differences between TIFF,TIF,tiff,tif 2011-05-24T05:04:14.277

13 There is a length limit to Windows file extensions? 2011-07-26T17:50:12.777

12 Search for files with a specific file extension in Windows 7 2016-08-20T08:55:32.027

11 Running shortcut from command prompt without the .lnk extension (Windows) 2011-01-01T06:21:21.673

11 Automatically hide files with certain extension in Windows 2011-10-15T04:55:44.733

11 Make and run your own file extension? 2011-12-07T15:16:52.880

11 Default save extension is "Normal Text" but Notepad++ is saving without an extension 2015-12-27T16:48:20.770

11 How can I add default preview for files in Explorer? 2017-03-21T12:35:39.360

10 What file format/database format does Picasa use? 2010-06-10T19:01:17.280

10 Get Windows to treat files with the same extension differently 2011-08-02T01:17:53.577

10 Searching for Extensionless Files in Windows 7 2012-01-15T02:25:47.003

10 How to open file with default program from command line? 2013-01-31T01:56:58.087

10 How to extract the filename without the extension from a full path? 2014-03-20T05:08:09.943

8 Hiding files of a certain extension (.pyc) from Nautilus 2010-10-18T17:29:04.080

8 How do I dissociate a program from a file type? 2012-12-16T20:09:51.857

7 What does X denotes in ASPX, DOCX, XLSX, PPTX etc? 2010-02-03T14:59:46.840

7 How to open nokia photo images with .nrw extension? 2010-12-02T18:05:52.747

7 Why does Windows append .php to my php files but not other ones 2011-06-07T02:37:24.350

7 "file.myext" is not a valid Win32 application 2011-12-29T22:19:17.367

7 What in the world is a .el8 file? 2013-08-25T13:24:55.693

7 Why does my Windows open CSS file with notepad? 2016-05-18T18:17:15.763

7 Is it safe to delete files with extensions containing non-alphanumeric characters? 2018-04-03T07:18:59.663

6 How to create a default association for files with no extension 2010-05-05T08:54:57.823

6 Are you allowed to come up with any desired file extension (for Unix, Linux, Windows)? 2011-09-17T21:34:21.993

6 What's the difference between an *.ova file and a *.ovf file when exporting from VirtualBox? 2011-10-26T18:20:09.250

6 Is there a difference between .JPG and .jpg? 2012-03-01T04:42:57.040

6 Remove a file extension case-insentively in Bash 2013-08-20T14:19:14.013

6 Windows wildcards with files having more than 3 characters extensions 2014-10-13T14:22:59.787

6 Changing icons for protected file extensions in Windows 10 2016-11-01T23:14:30.650

5 Way to search & find Files or Folders with no Extension in Windows 2010-06-23T23:09:52.637

5 Should all plain text files have some sort of suffix (e.g. *.txt, *.conf) 2011-05-13T13:20:02.833

5 How does a file have no extension? 2011-09-13T05:39:35.930

5 Windows file association for README, INSTALL, LICENSE and the like 2012-09-03T18:37:58.750

5 Applications are being opened by IE instead of running normally 2012-09-25T08:31:34.637

5 How can I associate multiple context menu types for one file extension in the registry? 2013-09-09T16:30:40.120

5 Why should one prefer lower case file extensions like .jpg over uppercase ones like .JPG? 2015-05-14T18:58:44.533

5 Remove Suggested Programs for Unknown File Extensions 2015-07-05T21:51:04.457

4 Always use the selected program, always greyed out 2010-06-17T06:11:37.777

4 Rename file in XP, only select file name, but show file extension 2011-02-18T14:33:46.190

4 How can I find out about an unknown file extension? 2011-04-22T02:05:12.347

4 Creating custom file extension with windows registry 2011-07-11T01:59:28.043

4 How do I rename a file or folder to .something in Windows 7? 2011-10-14T23:24:45.727

4 How can I run a (16-bit) .COM executable that has been renamed to .COS? 2012-03-02T13:56:34.223

4 Windows explorer displays application path instead of file type 2012-06-13T07:13:45.773

4 How to automatically recover lost file extensions? 2013-01-07T17:08:55.220

4 reset file associations to default (idx opens w/ winRar) 2013-09-24T21:34:17.040

3 Windows 2003 lost file extensions 2010-04-04T19:26:18.913

3 How to change the extension of all selected files at once? 2010-06-02T06:41:46.507

3 What does the 'X' in .aspx, docx, xlsx, etc... represent? 2010-06-14T21:58:03.927

3 Input Error: There is no script engine for file extension ".vbs" 2010-06-23T21:22:37.723

3 Search content of files with unknown extension 2010-07-23T09:28:33.690

3 Create new extension association and icon in SnowLeopard 2011-02-16T09:35:27.477

3 How to set a default file extension for a specific download? 2011-05-25T11:12:37.903

3 How to extract the filename extension out of %f in script? 2011-07-17T15:08:00.440

3 Handling files without an extension 2011-09-18T12:39:16.300

3 Is there a way to show only specific file extensions? 2011-09-28T23:13:36.357

3 Make the extension .fw.png open in a different program to .png? 2011-12-13T12:20:23.463

3 how do I determine the file type of a video file 2012-03-25T02:59:24.577

3 Notepad++ find in files filter for files with no extension 2012-09-07T15:27:52.757

3 Midnight Commander on OSX - bindings for file extensions and arrows 2012-09-08T11:47:49.503

3 how can i create security catalog(.cat file) 2012-12-06T12:50:01.977

3 How do I make a custom file extension open my java program? 2013-01-07T22:51:16.807

3 How to run a file as executable with a different extension? 2013-05-08T04:04:32.023

3 How do I add file types to Windows 8 "File Associations"? 2013-09-22T01:31:09.160

3 What file extensions does ffmpeg support? 2013-09-23T19:50:40.987

3 Add context menu items to specific file extensions 2014-04-04T13:17:47.190

3 moving a file based on its extension in BATCH 2014-04-09T12:38:47.427

3 How do I specify that a file extension needs to be run with a switch? 2014-10-05T22:51:18.970

3 Convention for file extensions: uppercase or lowercase 2015-01-08T15:24:09.470

3 Many Personal Files turned into .micro files 2016-01-18T22:03:13.413

3 How to make Windows Explorer treat a file with a `.MAS` extension as a regular file 2016-05-18T03:48:31.387

3 CTRL + A to select a whole file name doesn't work for icons on the desktop 2016-08-30T08:03:12.850

3 Disassociating Notepad with Exe 2017-01-20T16:12:25.757

3 How to batch remove file extensions on mac using csh or bash? 2017-08-21T15:38:11.703

2 How can I make locate/updatedb ignore certain file extensions? 2009-10-02T14:51:20.970

2 Force the .png extension on Mac Screenshots 2010-06-23T19:29:19.307

2 Firefox is changing file extensions on downloads 2010-07-25T11:39:40.923

2 Same filename with a different extension 2010-09-01T06:37:06.393

2 Detecting if a .bin file is .atrac (audio)? 2010-09-09T05:43:01.557

2 Is it possible to change MS paint's default save file type to PNG 2010-11-26T03:09:01.960

2 Firefox appending .xls extension to .xlsx files 2010-12-29T23:47:51.710

2 Google Chrome has taken over all HTML handling... 2011-03-29T03:15:25.830

2 changing the nature of .dat file 2011-04-26T22:23:03.837

2 New text files are created with uppercase extensions 2011-05-05T07:22:26.000

2 Does "show all filename extensions" actually work in Mac OS X? 2011-06-09T16:02:01.447

2 What are the most popular file extensions for COMPRESSed files? 2011-09-17T21:44:40.393

2 How to play .qtch files? 2011-12-03T21:42:25.003