# Transitioning legacy data to RunMags

- [Anti-spam](/introduction/transitioning-legacy-data-to-runmags/anti-spam.md): You need to take great care not importing customer data into RunMags that may cause you to violate privacy law where you operate your business.
- [Data cleaning services](/introduction/transitioning-legacy-data-to-runmags/data-cleaning-services.md): Get a fresh start with clean customer data.
- [Importing advertiser and subscriber data](/introduction/transitioning-legacy-data-to-runmags/importing-advertiser-and-subscriber-data.md): Transitioning from a legacy system over to a modern system can be a challenge, but you can follow these instructions to make it easier.