Often when you try to play with files on your Mac, you might want to change the file type or the extension of certain files, right? For the most part, changing file extensions in macOS is easy. However, macOS shows a warning dialog every time you change the file type in Finder, which can be annoying. So, here is how to disable the “Change file extension” warning on Mac.

Disable File Extension Change Warning on Mac

The pesky warning dialog we’re talking about here is there for a reason. This helps prevent users from accidentally changing file types on their macOS devices and rendering the files useless. However, if you’re reading this, you know what you’re doing, and this warning is only slowing you down. So here’s how to turn it off.

  • Click Finder from the Dock. Then click on “Finder” in the menu bar at the top and go to “Preferences”. You can also press “command + comma” to open preferences.
  • Click on the “Advanced” tab.
  • Here, uncheck the checkbox next to “Display a warning before modifying an extension. »

Once you’ve done that, you can close the preferences dialog. Now your Mac will no longer warn you when you try to change the file extension of a file. So you can play with and rename any number of files you want without ever seeing the “Change file extension” warning dialog.

Easily change file extensions on Mac

Well, that’s all you need to do to get rid of the annoying warning box from your Mac. As I mentioned before, the warning is there for a reason, and generally it’s best to leave it enabled. However, if you’re like me and change file extensions often on macOS, it might be a good idea to turn off the warning box to speed up your workflow.

So, do you often change file types on Mac? If so, have you disabled the warning box or do you prefer to leave it enabled? Let us know in the comments below. Also, while you are, find out how to access hidden Mac settings, force apps to run with Rosetta in M1 Mac, and other in-depth guides.