How to turn off ‘Change File Extension’ Warning on Mac – Guide

Normally, when you change the extension of a file on macOS, you get a warning. And if you are someone who frequently changes file extensions, you may soon be irritated by the warning. Fortunately, there is an easy way to disable the file extension change warning on Mac. There are actually two ways to do this and we have detailed them below. As a reminder, you should only disable this feature if you know what you’re doing. Changing a file’s extension can corrupt the file and you may not be able to undo the changes. With the rapid development of modern technology, people’s lifestyle is also changing. As a result, PCs and Macs are closer to them than ever before and fascinated by them. They seem to have become more efficient with it. So when you transfer a lot of files to your Mac, “Are you sure you want to change the extension?” Frequent notifications can be annoying. The warning appears up whenever you try to rename a file’s extension in Finder. This can be irritating for someone who knows what they are doing. Fortunately, there are two easy ways to get rid of it on Mac. Let’s take a look.

Disable file extension change warning on macOS using Finder

How to disable file extension change warning using Terminal

Final note

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