Calendar App Missing. Enable calendar sync on your windows pc. Open office 365 to begin the process.
Generally in two situations, calendar is missing from teams app list. Use the windows store apps troubleshooter.
For Some Reason, My Calendars View Disappeared.
Start by restarting the windows explorer in the task manager.
Install The Latest Windows Update.
Open office 365 to begin the process.
Locate The App Setup Policy.
Images References :
Start By Restarting The Windows Explorer In The Task Manager.
Install the latest windows update.
Check If Calendar App Is Unpin:
Generally in two situations, calendar is missing from teams app list.
With The App Store Open, Tap The Search Bar At The Top Of The Screen And Type Calendar, Then Tap Search. In The Search Results, You Might See Some Apps That Aren't The Official App You're Looking For.