How to show hidden files in macOS

Files and folders are not displayed by default

Apple macOS hides sensitive files and folders to protect and if a file is deleted by accident – MacBook running slow, and sometimes breaks down.

Non-standard tasks requires turn on the display of hidden folders to fine-tune macOS or third-party applications and see what’s going on on the disk and the exact folder structure.

Preparing to changing files

User solves simple everyday tasks that do not require expert skills and starts to worry only if the disk runs out of free space or MacBook slows. Such users are not worried about the information and eventually files will be irretrievably lost.

Seriously – if do not have backup – need stop reading this article, connect the external drive and start Time Machine: this will do the work at your MacBook secure.

Check the amount of information that is stored on an internal drive. The owners of small files and folders may use cloud services iCloud or Dropbox.

Turning on showing of hidden files and folders

Now, when backup is ready, you can safely switch on the hidden files and folders. The following describes the instructions on how to do it. This guide is for owners of OS X Yosemite (10.10), OS X El Capitan (10.11), macOS Sierra (10.12):

  1. Starting Terminal: Finder – Applications – Utilities – Terminal
  2. Copy and paste to the Terminal this command:

defaults write AppleShowAllFiles YES; killAll Finder

and press Enter.

Thats all!

PS: To hide files and folders in macOS, use this command:

defaults write AppleShowAllFiles NO; killAll Finder

Video tutorial how to show hidden folders in macOS

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