D.T will automatically check for duplicates on contacts.
It will show a flag on the contact if there is an exact match found with another contact.
![](https://disciple.tools/wp-content/uploads/image-49.png)
The duplicate checker will check the contact name and all the communication channels ( phone, email, address, facebook, etc )
To see possible matches that aren’t exact click Admin Actions and then See Duplicates
![](https://disciple.tools/wp-content/uploads/image-50.png)
Here you will see a list of possible duplicates with exact and partial matches (Nathan could match to Jonathan).
![](https://disciple.tools/wp-content/uploads/image-51.png)