This task requires permissions that are found in all default marketing security roles Defined sets of privileges.The security role assigned to a user determines which tasks the user can perform and which parts of the user interface the user can view. All users must be assigned at least one security role in order to access the system.. More information about specific permissions and performing this task while offline: Marketing Permissions
In the Navigation Pane, click Marketing or Sales, and then click Marketing Lists.
Open the marketing list to which you want to add members.
Under Details, click Marketing List Members.
On the Actions toolbar, click Manage Members.
In the Manage Members dialog box, click one of the following options, and then click OK:
You can also add members to a marketing list from the Sales area. To do this, in the Navigation Pane, click Sales, and then click Accounts, Contacts, or Leads. Next, select the records you want to add to a marketing list, and on the Actions toolbar, click More Actions, and then click Add to Marketing List. Locate and select the marketing list you want to add the records to and then click OK. If necessary, you can create a new marketing list from the Look Up Records dialog box.
Based on the type of list to which you are adding records, a member can be an account, contact, or lead. For example, if you open a leads list, you can add new leads to the member list, but you cannot add accounts or contacts.