How to search by file extension in macOS
macOS allows you to search for files on your computer by file extension through its Finder program. For example, you can search for all the Microsoft Word documents with the ".docx" file extension on your computer. To do this:
- In Finder, select (or press Command + F).
- Select "Other..." from the dropdown menu (instead of "Kind").
- Type "extension."
- Select "File extension" and click .
- Choose "File extension" from the dropdown menu.
- Type the extension.
macOS displays a list of files with the file extension you entered in Finder.