How to Always Show File Extensions in MacOS - Howchoo

Zach (248)

Jun 10, 2021

1 minute

As a website designer, I work with a lot of files—and a lot of file types. Nothing's worse than wasting time trying to fix a problem caused by an overseen missing file extension.

Here are the three easy steps to always show file extensions in macOS.

h/macos • 87 guides

h/mac • 128 guides

h/finder • 3 guides

At the bottom-left of your dock, click on the Finder icon.

Go to Finder > Preferences.

Make sure that "Show all filename extensions" is checked. Now, you should always see file extensions in macOS.

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