The Publish to Office.com feature in Microsoft Outlook and the service it used has been discontinued. Any previously published calendars won’t be available on Office.com.
Even though we’ve turned off calendars on Office.com, there are other ways to publish your calendar online from Outlook. We recommend you publish calendars using a different method:
If you’re using Outlook connected to Exchange Server, see Share an Outlook calendar with other people and follow the steps to share your calendar using a Microsoft Exchange Server account.