Clearing the browser history / cache fixes 99% of all problems our users have with accessing resources from off-campus. The most important things to clear are your browsing history and temp files. You do NOT have to delete your saved passwords or form-fill data. If you've never cleared your browser before, these steps may take a few minutes.
IMPORTANT: Make sure you RESTART your browser after you've cleared it.
Click on the three vertical dots at the far upper right. Choose Settings > Privacy and Security > Clear Browsing Data > Cookies and other site data. Finally, choose "Clear Data."
Click on the three horizontal lines at the far upper right. Select Options > Privacy & Security > Cookies and Site Data. Click on "Clear Data." Finally, click "Clear."
Click on Safari from the top menu and choose Preferences. Select Privacy, then click "Manage Website Data." Click "Remove All", then click "Remove Now." Finally, click "Done."
Click on Tools > Delete Browsing History > Delete.