Show File Name Extensions in Mac OS X

File extensions (like .jpg, .txt, .pdf, etc) make it easy to see what a specific file type format is, but as many Mac users notice, those file extensions are hidden by default in Mac OS X. While hi…

App Extension Programming Guide: Finder Sync

Show or Hide Files Name Extension in Windows 10

How to show or hide extensions for all or selected files on Mac

How to Show or Hide File Extensions on Mac, iPhone, and iPad - MacRumors

Ho do I show the how full file name in fi… - Apple Community

How to change the extension of files on iPhone, iPad, and Mac

What Is a File Extension & Why Are They Important?

macos - renamed folder becomes a file with an extension - Ask Different

How to show or hide extensions for all or selected files on Mac