1. Only when you want to import a contact along with a tag or add a tag to an existing contact, you can use simple import. 2. When you want to add custom additional field values, then you can use advance import contact
1. Yes, you can add multiple contacts via import feature. There are two types of import: Simple import and advanced import. 2. Simple import can be used when you want to add the customer's primary details with tags. 3. Advanced import can be used ...