> For the complete documentation index, see [llms.txt](https://admin-help.runmags.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://admin-help.runmags.com/introduction/transitioning-legacy-data-to-runmags.md).

# Transitioning legacy data to RunMags

- [Anti-spam](https://admin-help.runmags.com/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](https://admin-help.runmags.com/introduction/transitioning-legacy-data-to-runmags/data-cleaning-services.md): Get a fresh start with clean customer data.
- [Importing advertiser and subscriber data](https://admin-help.runmags.com/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.