> ## Documentation Index
> Fetch the complete documentation index at: https://help.elationhealth.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Data & Interoperability

> Guides for data migration, EHI exports, QRDA reporting, hosted database, CCDA sharing, and clinical data interoperability in Elation EHR.

Explore guides for managing data imports, exports, and interoperability in Elation EHR.

* [Hosted Database Guide — Using Elation Analyst](/articles/Elation-Analyst)
* [Data Migration Guide — How to share your legacy EHR document files with Elation](/articles/How-to-share-legacy-EHR-document-files-with-Elation)
* [Data Migration Guide — Transferring your data from your legacy EHR into Elation](/articles/Transferring-your-data-from-your-legacy-EHR-into-Elation)
* [Electronic Health Information (EHI) Export Criteria](/articles/EHI-Export-Criteria)
* [Hosted Database Introduction (Add-On)](/articles/Hosted-Database-Introduction)
* [QRDA Export Guide — How to export QRDA files from Elation EHR](/articles/QRDA-Export-Guide)
* [Qualified Clinical Data Registry (QCDR) Guide](/articles/Qualified-Clinical-Data-Registry-Guide)
* [Patient Chart Guide — Sharing clinical care summaries with collaborating providers using C-CDA (CCDA) format](/articles/Supported-Elation-CCDA-types)
* [Letter & Referral Guide — Accessing patient information sent by an Elation EHR user](/articles/access-patient-information-securely-shared-by-an-Elation-EHR-user)