# Actian AI Analyst Lossless Format The native Actian AI Analyst format exports all details of your semantic layer for complete backup and restoration. ### What's Exported * **Models**: Dimensions, measures, filters, relationships, grain, sample values * **Metrics**: Definitions, anchors, time dimensions, joins, filters * **Glossary**: Terms, definitions, synonyms, mappings * **Agents**: Configurations, instructions, semantic layer access permissions ### File Types * **YAML** - Human-readable, version control friendly * **JSON** - Machine-readable, API integrations * **Excel** - Spreadsheet format for review and editing