Developer's DescriptionBy MicrosoftConvert and upload data from another CRM system to Microsoft Dynamics CRM.Microsoft Dynamics CRM 4.0 Data Migration Manager can convert and upload data from another customer relationship management (CRM) system to Microsoft Dynamics CRM 4.0.The Data Migration Manager includes default data maps to convert source data from several common CRM systems to the data format expected by Microsoft Dynamics CRM 4.0. During the conversion and migration process, you can create any necessary custom entities or attributes to ensure that you do not lose legacy data during the migration process.