Popular topics: How many characters can I send in an SMS? How to get started with ClickSend

What do I do if the Opt-Out list was deleted?

1. Create a new opt out list named "Opt-Out List"
2. Export message received history in CSV
3. Filter this to STOP messages using Excel or Google Sheets
4. Create a new import file from this list
5. Import this into the new Opt Out list

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