Mount the image and open Dupeguru*, optionally copy it to your /Applications/ folder to install it on the Mac.Get DupeGuru here by downloading it from the developer.Failure to backup could lead to permanent data loss. How to Find Duplicate Files on Mac with Dupeguruīack up your Mac with Time Machine or your backup method of choice before beginning. We will not be demonstrating how to edit or delete any of the files found because every file should be independently confirmed as a duplicate before action is taken.

And not that we’re covering Windows here, but DupeGuru is available for that Mac, Windows, and Linux, so if Mac is not your only computer then you can use the same tools elsewhere.ĭupeguru is a very powerful tool for finding duplicate files of all sorts, and by using a variety of different search methods, but for our purposes here we’re going to keep the usage as simple as possible. The article will use a free third party tool called DupeGuru to track down duplicate files on a Mac. This tutorial is intended for advanced users, and requires significant attention to detail to properly find and confirm if files, images, movies, archives, and other data are indeed duplicates or not. This guide will demonstrate a method for how to find duplicate files on a Mac.