"DROID (Digital Record Object IDentification) is a file format identification tool developed by The National Archives. It is in widespread use across the world, in cultural memory institutions, local and central government departments and other public bodies, and has been embedded into multiple commercial and open source digital preservation products. [...]"

https://cdn.nationalarchives.gov.uk/documents/information-management/droid-user-guide.pdf

(dostęp z 25.11.2021)