MacOS – Drag and drop won’t move ALL selected files between Finder windows

findermacos

Here's what I'm doing:

  • open a Finder window with source directory (500+ files).
  • open another Finder window with target directory.
  • select all files in source directory using ⌘ - a
  • grab selected files and hover target window
  • press ⌘ so files are moved instead of copied
  • release mouse button

But only cca 85 files are moved. Rest is left in source directory (while still selected). The same happens when copying files.

Is this something I can change (number of files moved)? An error/bug? Some app interfering with drag & drop behavior? I'm left with using Terminal to move my files, which besides being annoying isn't really possible when file selection is not a simple ⌘ - a.

Best Answer

I know this is late but I've found a fix.

First, open disk utility and run first aid on your disk.

Second, shutdown the computer fully and disconnect all USB devices.

Third, Press the power button and hold command-option-p-r until the Mac reboots again. This will reset the PRAM.

I hope this fixes your issue like it did for me!

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