How do I change the default calendar on Win10?

[Windows Central Question]

Change default calendar on win10

IM trying to change my default calendars. I have made thunderbird my default mail program but cortana only gives me a default outlook calendar. Any ideas

 

[realwarder]

Re: Change default calendar on win10

You app needs to register itself as being able to provide a calendar to then be able to be made a default app.