How do I manage duplicate checking settings in Act! Premium (access via web)?

Question:  How do I manage duplicate checking settings in Act! Premium (access via web?)
 
Product: 
Product Family:  Act!
Product:  Act! Premium (access via web), Act! Premium Cloud
Version: v17.1 and higher
 
 

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Answer: 
 

1. Inside the Act! window, click Tools > Preferences
2. Click Admin
3. Select duplicate checking settings as desired

 
Note: For more information on duplicate checking settings, refer to the following knowledgebase article:
 
How to set Duplicate Checking preferences in Act!
Answer ID How to set Duplicate Checking preferences in Act!