How To Reset The Calendar App. On the left side of the window, apps & features should already be selected. Launch the calendar app now.
On the storage usage and app reset page, click the reset button. Click on apps & features.
Click On Apps &Amp; Features.
3.4 try erasing temporary files.
Launch The Calendar App Now.
If that’s not enough then reset the mail app at settings > apps and features > mail & calendar > advanced options > reset.
I Have Corrupt Accounts In Both Mail And Calendar App That I Can't Get Rid Of.
Images References :
Go To Users You Profile Library Calendars.
3.4 try erasing temporary files.
Mail App Advanced Options Link.
3.2 use the windows memory diagnostic tool.
Inside Settings, Click Or Tap On Apps.