How do I enable the calendar view in Microsoft Planner?

This question arose from the November 2017 video. The screen shot is from a plan I created by visiting https://tasks.office.com and signing in with my Office 365 corporate account. I circled the Schedule tab, which provides various calendar-oriented views, including the one shown. If you don’t see the Schedule tab when you visit https://tasks.office.com, then…

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