or you can permanently turn on access to the Library folder using the Terminal application, which is the Mac equivalent of the CMD prompt for Windows.

If you close the Library folder's Finder window, the folder will once again be hidden from view.

Select Library, and a Finder window will open showing the contents of the Library folder.

The Library folder will be listed as one of the items in the Go menu.

With either the desktop or a Finder window as the frontmost application, hold down the option key and select the Go menu.

To regain easy access to the subfolders, including AutoCAD and AutoCAD LT's support folders, you can either temporarily gain access to them using Apple's recommended method detailed here: Starting with Lion, Apple has hidden the Library folder under the current user name, presumably for security reasons. Note: You can also double click the Plot Style Table Search Path listed in Options/Preferences as shown here: Users//Library/Application Support/Autodesk/roaming/AutoCAD LT 2013 Standalone/R19.0/enu/Plotters/Plot Styles Typically you would browse to the plot styles folder here to add any new plot style tables: In AutoCAD LT, the default color dependent plot style table is named acadlt.ctb so it can't find acad.ctb. With the acad.ctb available, then the plot settings dialog will use the line settings that the drawing last used.

When you receive a drawing that was last saved in AutoCAD and you want to plot it in AutoCAD LT for Mac running in macOS, you will find that you can't locate the Plot Styles folder to add the acad.ctb color dependent plot style table.

2016 autocad plot style files