How can we erase fields while importing existing customers?

[expertlearner]

How can we erase fields while importing existing customers? Let's say we need to erase Phone Numbers we know are wrong? What can we enter in the Phone Number field? We tried empty and 0 but nothing worked?

[_Violet]

Hi @expertlearner - I see this is your first post in the Seller Community so I'd like to officially welcome you! 🎉👏

Are you using the Customer Profile Template mentioned in this Support Article?

I hope this information is helpful but please do let me know if you have any additional questions.