Show File Name Extensions in Mac OS X

File extensions (like .jpg, .txt, .pdf, etc) make it easy to see what a specific file type format is, but as many Mac users notice, those file extensions are hidden by default in Mac OS X. While hi…

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Show File Name Extensions in Mac OS X

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Show File Name Extensions in Mac OS X

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Ho do I show the how full file name in fi… - Apple Community

Why Do Filename Extensions Show Up Inconsistently in Finder? : r/MacOS