This is driving me mad. I've searched the forums before posting but can't find anything the same. I am running Kitkat 4.4 on a Nexus 4. I don't have any duplicate people showing in contacts on my phone but some people have the mobile number listed more than once. For example: Alan Jones (this is OK) 07777 111111 John Smith (this isn't) 07777 222222 07777 222222 I went into contacts.google.com and merged duplicates. But whilst this now says there are no duplicates, after syncing when I look on my phone only some of the previous multiple numbers are showing as single in contacts. For others they still show the number more than once. I've edited the contact in contacts.google.com and removed duplicate mobile numbers but this makes no difference. I've noticed that for some of them if I edit on the phone they show as having a google contact and a corporate contact linked to my hotmail. If I delete the mobile number from the corporate contact then the duplicate number goes away. But I can't work out how to delete the whole corporate contact. But that doesn't cover everything as not all duplicates have corporate contacts. I did think it may have something to do with whatsapp as in edit mode I can also see whatsapp contacts listed as well. However, in the example above both Alan and John are showing google and whatsapp contacts but Alan doesn't have any duplicates but John does. I'm now totally confused......can anyone help. Thanks!