How can I check which application opens a file by extension?
92803
Find the default application for a certain extension
48947
Best way to remove file extension from a string?
146550
Is there a way to show only specific file extensions?
7715
Get path to application?
54538
Do file-extensions have any purpose (for the operating system)?
3358
What's the best way to check if a file exists in C?
17649
Is there a way to check if a file is in use?
37597
How to determine appropriate file extension from MIME Type in Java
96257
How do you get the icon, MIME type, and application associated with a file in the Linux Desktop?
73656
How to get a list of current open windows/process with Java?
70444
Grabbing the extension in a file name
64713
How to find all files with the same extension within a directory
14208
How to set the default program for opening files without an extension in Windows?
28073
List the files accessed by a program
148352
Opening a "known file type" into running instance of custom app - .NET
47521
How do you associate the .exe file extension with a program in Windows?
28196
Globally associate file type with certain application