If you have Marketing Basic, you can import your list of contacts to create a new static list and then delete all the contacts on that list. Lists are not supported in the CRM, however.
If you do not have the marketing product, even a trial should allow to do this, while it lasts.
If you have Marketing Basic, you can import your list of contacts to create a new static list and then delete all the contacts on that list. Lists are not supported in the CRM, however.
If you do not have the marketing product, even a trial should allow to do this, while it lasts.