<div>Microsoft Bookings and Planner, both opt-in features, may be experiencing URLs being blocked by Microsoft Safe Links in the email messages distributed through these tools. <br><br>Behavior: The recipient clicks on the link, producing an error message rather than opening the correct page. The error only occurs in some messages that originate in the Bookings and Planner tools. <br><br></div><div>The IT Security Office (ITSO) has been working tickets and reports as they come in and is working with the vendor.<br> <br>UPDATE: The ITSO has expanded our response from allowing individual blocked links to creating an exception for whole Microsoft owned subdomains that appear to be affected.<br><br></div><div>Workaround: Email recipients receiving a message in which Microsoft Safe Links produces an error can highlight the link, copy/paste the URL in their browser, or use the Safe Links decode tool (<a href="https://it.cornell.edu/decode">https://it.cornell.edu/decode</a>) to access the linked pages without error.<br><br></div>