Dupe guide

Consolidate scattered photo folders on a Mac

If your photos are spread across half a dozen folders, here's how to merge them without ending up with thousands of duplicates.

4 min read

Photos end up everywhere. There’s the official Photos library, of course. But also a Photos folder on the Desktop, an Old Photos folder in Documents, a few iPhone backup folders in Downloads, and three or four folders on an external drive. Consolidating them sounds simple — copy everything into one place — but if you just do that, you’ll create thousands of duplicates.

The right order: dedupe first, then consolidate

If you merge folders first, you end up with multiple copies of every photo that lived in two places. Better to dedupe across the source folders before merging anything.

  1. Download Dupe and open it.
  2. Click “Add Folder” and add every place your photos currently live — Pictures, Desktop, Documents, Downloads, external drives.
  3. Click “Scan.” SHA-256 hashes every JPEG, HEIC, PNG, RAW, and video.
  4. Review duplicate groups. For each group, decide which folder you want to keep the canonical copy in.
  5. Move the redundant copies to the Trash.

Now you have a clean set of photos, one copy each, just scattered across multiple folders.

Then merge

You can merge into the Photos library (recommended for most people) or into a single Finder folder hierarchy.

Option A: Merge into Photos

  1. Open Photos.
  2. Drag each external folder onto the Photos window, or use File > Import.
  3. Photos imports the files into the library and shows them on the All Photos timeline.
  4. Once everything’s imported and you’ve verified the count, you can delete the original Finder folders.

If Photos finds duplicates during import (same filename + capture date), it’ll ask whether to skip or import anyway. Since you already deduped, it should mostly let you import everything.

Option B: Merge into one Finder folder structure

  1. Create a new folder structure (year/month or year/event, whatever fits).
  2. Drag photos from each source folder into the new structure.
  3. After moving, do one more Dupe scan over the new structure to catch any accidental drops.

Safety

A common pattern: after a consolidation, people find they had 4–5 copies of major events (the same wedding shoot in Pictures/Wedding, on Desktop, in Documents, and on an external drive). Removing those copies often clears 50+ GB before you even start moving anything around.

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