File Extensions

Are you tired of being constantly warned by Mac OS X each time you rename a file extension? You can disable the Alert dialog that dutifully confirms that you’re really sure you want to change the file extension. Here’s how to tell Mac OS X not to bother asking ever again.

The Mac uses three-letter file extensions just like the PC, only it hides them by default. If you’ve moved from a PC to a Mac (welcome!) or just prefer to see the file extensions, the Mac will accommodate you. There are definitely times when having discretionary control over individual files is a boon and this [...]