Find Duplicate Music Files Across External Drives

Last updated: 2026-09-30

Are you struggling with duplicate music files spread across multiple external drives? Managing your music collection can become chaotic, especially when you have files duplicated in different locations. Fortunately, a careful routine keeps this under control.

Connect every drive, then search each one in Finder for your music files and sort by name and size to spot copies. General duplicate file finders can compare files across several drives at once. Before you delete anything, check which drive your DJ software reads from, so you do not remove the copy your library uses. If you DJ on Serato DJ Pro, Dupes finds duplicates in your Serato library wherever it lives, including _Serato_ folders on external drives. Connect the drive before you scan. Dupes works only with Serato DJ Pro libraries.

Back up first, keep the best version of each track, and free up valuable storage space for a more organized music experience!

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Find Duplicate Music Files Across External Drives | Dupes