Setting a default program for extensionless files
14208
How to set the default program for opening files without an extension in Windows?
47521
How do you associate the .exe file extension with a program in Windows?
54538
Do file-extensions have any purpose (for the operating system)?
153667
Change default applications
31679
Remove association with blank file extension?
44610
How to create my own file extension like .odt or .doc?
150087
How to check type of files without extensions in python?
48947
Best way to remove file extension from a string?
20515
How to set the default program or application for handling a given file type or url protocol?
108802
How can I tell Notepad++ to always use a particular language with a particular file extension
115058
output files from the folder with no extension
70848
How do I rename the extension for a bunch of files?
36306
What's the application extension? (aka .exe, .app, etc.)
15578
How do I change changing the default program when plugging in removeable media?
36084
How to change file extension at runtime in Java
81639
How can I change a file type's default program while keeping its current default icon on Windows 7
117447
bash: how do you return file extensions?