Work with Imports

Data can be imported into system attributes Attributes that are included in Microsoft Dynamics CRM Online by default.For example, the name attribute in the Account entity is a system attribute. and custom attributes Attributes that are not included in Microsoft Dynamics CRM Online by default. Instead, a customer or partner adds it after they install the software, to help adapt the software to the customer's needs. in most record types, and can also be imported into custom record types Record types that are not included in Microsoft Dynamics CRM Online by default. You can create custom record types by using the customization tools. Also called custom entities..

For a complete list of record types you can import into, on the second page of the Import Data Wizard, view the values in the Record type list.