Any Mac user that has shared files from a Windows PC has surely found the always annoying and completely useless Thumbs.db files scattered around their directories. We’ve been asked about deleting Thumbs.db files a few times before, and typically we run a simple script from the command line, but there’s another even easier way. Using only Spotlight, LifeHacker shows us how to delete all Thumbs.db files from your Mac in one fell swoop.

Delete Thumbs.db files from Mac OS X

1. Launch Spotlight (command-spacebar)
2. Type “Thumbs.db”, when a list is gathered hit the return key
3. Click the ‘more’ button to show all search results
4. Now simply drag and drop all of the Thumbs.db files into the trash, and empty the trash
5. Done! Your Mac will now be rid of all Thumbs.db files

As you can see, this tip is very simple and for many it is easier than launching the Terminal and doing it through the command line. If you’re wondering what Thumbs.db files are, they are simply a small cache file that holds thumbnail preview data for folders in Windows, it is not a crucial system file, so do not worry about deleting them from your Mac (where they serve no purpose anyway).

Source: LifeHacker: Delete Windows system files from my Mac