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1. Sierra Library System

You may need to access content in the user Library folder to troubleshoot problems with your Adobe applications. The user Library folder is hidden by default in macOS X 10.7 and later releases. Use one of the following methods to make the user Library content visible.

Hold down the Alt (Option) key when using the Go menu. The user Library folder is listed below the current user's home directory.

From Mac OS X 10.7 and higher, Apple have made the User - Library folder a hidden folder by default. This is to stop general Mac users fiddling with settings, however, music makers will require using this folder from time to time. Please see the handy article below on how to unhide your User Library folder in Mac OS X 10.12 Sierra. Some troubleshooting procedures require you to navigate to and view a hidden folder on Mac. You can access the Library folder with the Go To Folder command or from the Terminal app. Access the Library folder in Finder: In Finder, choose Go Go To Folder In the Go To The Folder field, enter /library/ Click Go. Dec 27, 2019  Unhide User Library folder This method is for Catalina, Mojave, High Sierra, and Sierra. Older versions of macOS require a Terminal command to. Aug 05, 2017  Hi all, while doing some summer cleaning, I noticed a huge Library folder in my User part, a whooping 85GB one. Considering I have a 256GB SSD, it's taking up quite the space. The 'small' stuff is Safari as 1,3GB and Mail with 9GB, what do you think these are? Then I have Caches for 15GB. Apr 17, 2017  NOTE: In Lion, Mountain Lion, Mavericks, Yosemite, El Capitan and Sierra the Home/Library folder is now invisible.To make it permanently visible enter the following in the Terminal application window: chflags nohidden /Library and press the Return key - 10.7: Un-hide the User Library folder. For Mavericks, Yosemite, El Capitan and Sierra go to your Home folder and use the View Show.

Note: After you open the Library folder, you can drag the Library icon from the top of that window to the Dock, sidebar, or toolbar to make it readily accessible.

For more information, explanations, and ideas, see 18 ways to view the ~/Library folder in Lion and Mountain Lion.

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While many Mac users may never need to access their User Library folder while running macOS Sierra — some advanced users, may need to get in there and access support data and such when troubleshooting. The folder is hidden by default in macOS Sierra, but it only take a few moments to access it, or make it so that the folder is always visible.

Before we begin, we want to say that it’s usually a good idea to leave things in the users ~/Library folder alone, unless directed to by support personnel. The folder contains caches, application support data, and preference files, and if you screw around in there too much, you could really screw things up. We DO NOT recommend it. Now that our butts are covered, here’s how to find and display your User Library folder.

Opening the User Library Folder in macOS Sierra

If you just need to access the user ~/Library folder on occasion, you can get into it by using the Finder “Go” menu.

1. From the Finder in macOS, (Click anywhere on the Desktop where there isn’t already an app window, and you should see “Finder” appear in the upper left hand corner of your display, up near the Apple icon), click the “Go” menu item, and then hold down the SHIFT key on your Mac’s keyboard.
2. Click on “Library” in the drop-down list. (If you release the SHIFT key, the “Library” option will disappear from the menu. Now you see it, now you don’t.)

If you’re not much of a mouser, you can just hit the key combo of Command + Shift + L, and a Finder window will appear showing the ~/Library directory of the active user account.

Always Show the User Library Folder in macOS Sierra

If you are an advanced user, you might want to always display the user ~/Library folder in your user Home directory. It just takes a few clicks to enable this option.

1. In Finder, go to the Users’ home folder
2. Click the “View” menu and then click “View Options”
3. Click the “Show Library Folder” option in the Settings options for the User home folder, as shown below.

Following the above steps will change the settings for only the current user. Any other users will also have to follow the above steps while logged into the machine.

These steps also work with Mac OS X El Capitan and Yosemite. In earlier versions of OS X, a command line entry was required to perform the same magic.

Sierra Library System

(Thanks to OS X Daily)