Since the Windows Phone 10 Technical Preview update, why are my Outlook and calendar apps missing?

[Windows Central Question]

windows phone 10 technical preview update outlook and calendar app missing

in my windows phone ( lumia 630 ) i am upadate windows phone 10 technical preview update , but the outlook and calender app stll missing, tell me a solution for this problem

 

[Nishad Thakur]

hard reset will solve problem