Connect the Drive

If you accidentally erased or modified these folders, it could easily crash the Mac or render it inoperable. Many apps also create hidden folders used to store settings, program status and data about the documents you're working on. Normally, the Finder doesn't let you view these hidden files on your Mac.

This makes your own files easier to find and it prevents damage to the macOS software. Before you can see folders on an external hard drive, you must first plug it into your Mac. Depending on the drive, it might plug into either a USB or Thunderbolt socket. Perform the following steps:.

How to Show or Hide Hidden Files and Folders on macOS

Browse the drive until you find the folder that you believe holds the hidden folder of interest to you. Once you turn the "reveal" mode on, the Finder will show Mac folders that were hidden before. In the Dock, click the Launcher. In the search box, type Terminal. Click the Terminal icon when it appears.

Show Hidden Files in Mac OS X

A Terminal window appears. At the Terminal cursor, type:. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. In Snow Leopard, how do I make hidden directories visible? Ask Question. Asked 9 years, 10 months ago. Active 7 years, 4 months ago.

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Viewed 3k times. Paul D. Waite Paul D. Waite 2, 11 11 gold badges 43 43 silver badges 69 69 bronze badges.

From Terminal. A directory whose only extended attribute is invisibility looks like this: com. FinderInfo: 00 00 00 00 00 00 00 00 40 00 00 00 00 00 00 FinderInfo attribute: xattr -d com.

FinderInfo: 00 00 00 00 00 00 00 00 40 10 00 00 00 00 00 FinderInfo: 00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 Excellent, thank you. Waite Oct 10 '09 at Oh, good call on the Developer Tools. I was wondering how to read the long output of xattr , i.

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Found it here , page Why not using chflags as SefFile comes only with Xcode? Nice one, good to have a non-Developer Tools option.