> For the complete documentation index, see [llms.txt](https://doc.attrisys.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.attrisys.com/faq/general-information/how-long-does-attrisys-store-historical-data.md).

# How long does Attrisys store historical data?

Historical data retention varies; for specifics, please refer to our documentation.