All Collections
Contacts
![](https://downloads.intercomcdn.eu/i/o/10632/3b98583fc1649add43eeca5c/401dab2109102747b1515d8716a3209e.png)
How can I build my SMS contact list?
How do I import contacts into Webex Interact?
What happens to duplicate data during list creation? (Or) What are the merge options in "Process Duplicates” step of list creation?
Can I add contact details such as first name in contacts?
What happens to invalid numbers during contact upload? (Or) How do I delete invalid contacts from lists?
What is the maximum number of contacts that can be imported into Interact at once?
Why do numbers look like 4.47741E+12 when I export them to Excel?
How much time does it take to import contacts to Interact?
How can I edit a contact?
Can I provide an option for my customers to opt-out or unsubscribe from receiving messages?
How to manually add phone numbers to the opt-out list?
How do I add an opt-out message to a campaign?
How can customers who are part of the opt-out list receive messages again? (Or) How can customers opt-in to receive messages again?
Where can I find contacts that have opted out of my messages?