Relict Data Files (.rdf) provide a portable, structured representation of your contact data that can be backed up, transferred, inspected, and restored.
Magic identifier
Forward compatible
Stable identifiers
SHA-256 hash
Export contacts, relationships, notes, tags, groups, custom fields, and activity history in a single file.
Open and browse RDF files like inspecting a backup archive before committing to import.
Validate, preview, detect duplicates, and choose how to handle conflicts before importing.