Details

For all versions of OSX (through 10.15 'Catalina')

From the top menu bar click Click Go > Connect to Server

In the Connect to Server window, in the Address box, enter:
smb://netfiles.willamette.edu/username
  (where 'username' is your Willamette login name)

• Hint: you can click the '+' icon on the right to add NetFiles to your Favorite Servers to save typing time in the future.

Click Connect.

A log in window will appear.

• Name: enter your Willamette username
• Password: enter your Willamette password.

Click Connect.

A folder with the contents of your NetFiles directory should now appear in a Finder window.

If you close the Finder window, you can get back to it from the Finder menu.

• Open File > New Finder Window
• On the left side bar look in the Shared area

To disconnect from NetFiles:

1. click the Eject button to the right of the file name in the Shared section of a finder window left side bar
2. if the NetFiles listing is displayed in a finder window, click the Disconnect button in the file listings pane