Duplicate entries in calendar and contacts

Question

I have many duplicate entries in my calendar and my contacts.  Deleting each one on my Z10 is very time consuming.  Is there a way to do this more efficiently, such as viewing the calendar and the contacts as a file on my computer, where editing would be much easier?

Answer 1

Ok you can try one thing first, less invasive to see if it clears one set of contacts.
Open your contacts
Swipe down from the top edge > Settings.
Scroll down and turn off each of the various contact accounts.
tap BACK at lower left and now view your contacts.
All that should be left are the "local" contacts. Do you see any, and are they the contacts duplicated?
If so, then close all that and return to your main homescreen.
To clear the local calendar or contact database on the BlackBerry 10 smartphone, complete the following steps:
Swipe down from the top bezel on the home screen, and select Settings.
Select Accounts.
Tap the action menu button (3 vertical dots) on the bottom-right. 
Select Clear Local Contacts or Clear Local Calendar.
Now, view your contacts app again. Make sure the ALL TAB is displayed at lower left.
Scroll through and check for duplicates.
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