> [!IDEA] CONTEXT > A file type, AKA filename extension, is indicated by the extension which follows the period at the end of a filename-- Example - *filename.ext* > > A filename extension represents a ***'container'*** type, within which there may be a specific form of encoded data, such as a text document, or audio & video media. > - Data contained or 'wrapped' within a filename extension may be encoded via a particular ***[[CODEC - Coder-Decoder\|codec]]***, especially video or audio streams. As a result, the installation of specific plugins may be required to decode or access such encoded data. > [!Checklist] macOS FINDER SETTINGS > ADVANCED > For reasons beyond us mere professionals, Filename Extensions are *not* displayed by default in macOS. > > For the sake of your sanity and professional skillset, it is recommended that you override this default setting... > - [ ] Select Finder > - [ ] Menu Bar > Finder > ✅ Settings... ⌘, > - [ ] Advanced Tab > - [ ] ✅ Show all filename extensions - ENABLE > > ![[macOS 146 - Finder Settings > Advanced - Screenshot 2024-10-15 at 19.34.14.png]] %% [[JOKES - Brightside Levity]] %%