Use a backup tool, things can be easiler.
I recommend this guide for you, with this, you can transfer the contact from android to pc. Then you can easily edit or manage the contacts.
How to Access the Android Contacts from PC
Google and Android are all about syncing and accessing same data from multiple devices. If you have already synced your contacts with your Google account, then this is easy as a pie to access your device's phone book from any PC via a desktop browser. follow the instruction:
1. Make sure you have synced your contacts with your Google account
2. Open a desktop browser and go to: google.com/contacts
3. Now, enter the username and password for the account you would like to see the contacts
4. Now you should see the entire contacts of your Android device
4 comments
You need to turn on USB debugging first. Then you can use Android manager to access contacts via a PC: http://www.mobiledic.com/android-topic/transfer-contacts-from-android-to-computer.html
Well, try Coolmuster Android Assistant, we can use it to move almost everything from android phone to computer, and we can also use it to manage apps, contacts on computer, have a try! http://www.coolmuster.com/android-assistant.html
A lot of tools can solve this problem.For example,I know one powerful software Samsung Messages Backup.Here is How to View Andriod Phone Contacts from PC
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