Disable File Extension Change Warning on Mac OS

Check tutorial of Disable the File Extension Change Warning in Mac OS X

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Assuming file extensions are listed in OS X Finder, attempting to change a file extension will display a warning dialog with a confirmation dialog. The warning text says “Are you sure you want to change the extension from (this) to (that)?” then you give two choices; keep the current file extension or use the new extension.

That dialog can be annoying if you know what you’re doing and you have compelling reason to change extensions, which is often the case for advanced Mac users, so let’s disable it using one of two methods in OS X; using the Finder Prefs panel, or the command line and the default write.

How to Disable the file extension change warning in Mac OS X.

The easiest way to stop the change file extension warning is to disable it through Finder preferences, here’s how:

  1. From the Finder, open the ‘Finder’ menu and choose ‘Preferences’
  2. Go to the “Advanced” tab
  3. Clear the “Show warning before changing an extension” check box
  4. Close the preferences to set the change

Stop the file extension change warning in OS X Finder

Of course, many users prefer to use the Terminal for a variety of reasons, and there is also a way to make the change through a standard command string. This is great for remote management and automation.

Disable the file extension change warning with the default settings

First, open the Terminal in the / Applications / Utilities / folder and then copy and paste the following command:

defaults write com.apple.finder FXEnableExtensionChangeWarning -bool false

Follow that up by restarting the Finder with killall:

killall Finder

To undo the change and get the warning back when you try to change file extensions, use the following standard write command:

defaults write com.apple.finder FXEnableExtensionChangeWarning -bool true

Disable the Finder again for the changes to take effect.

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Disable the File Extension Change Warning in Mac OS X: FAQ

Tutorial Summary: Disable the File Extension Change Warning in Mac OS X

In this guide, we told you about Disable the File Extension Change Warning in Mac OS X; please read all steps so that you understand Disable the File Extension Change Warning in Mac OS X in case if you need any assistance from us, then contact us.

How this tutorial helping you?

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What is actual time in which this method complete?

The time to complete the Disable the File Extension Change Warning in Mac OS X tutorial is 10+ minutes.

What are the supported Device?

Apple

What are the supported Operating system?

mac OS


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