The difference between 'System -> Libarary' and just 'Library' is that 'System' is a folder heirarchy meant to be used by the operating system itself (in other words only Apple should be controlling what files go into that heirarchy). Macintosh HD -> System -> Library -> ColorSync -> Profiles you might (but hopefully not) find them in: all software knows to search these directories to show the names of all the printer profiles available when printing (assuming you choose the option that the computer controls the color profile and not have the printer control it.) Photoshop, Lightroom, the mac's own print dialog.

This is because if they are located in this folder, then they are visible to you and every other user of the mac. THIS is the probably the best folder to install your color profiles (if you download or make you own. Macintosh HD -> Library -> ColorSync -> Profiles You can also install profiles in a system-wide directory which is shared by all users of the mac. Those profiles would ONLY be visible to you - not to any other user on the mac. You can then navigate into 'Library' then into 'ColorSync' and finaly into 'Profiles' (and you may see several '.icc' files in this directory). The 'Library' folder will only appear in pull-down menu if you are holding down the 'option' key. You can get to that folder by opening Finder and holding down the 'option' key on the keyboard while clicking the 'Go' pull-down menu (off the main menubar in Finder). Macintosh HD -> Users -> user-name -> Library -> ColorSync -> Profiles These profiles are stored in under the user's home folder and the path will look like: You can install profiles for your own user account (since you can create multiple user accounts on a mac). and two other directories where they can and should be located. There's one directory where they should *not* be. The profiles can be in a few directories. I have profiles installed for Moab paper, Red River paper, etc.) You can also download profiles from the 3rd party paper manufacturer's websites. Canon supplies color profiles for their own papers and you can optionally download profiles from Canon's support page for several popular 3rd party papers.

How to install icc profile mac 2019 photoshop cc