Dossier and Data

Dossier noun - A collection of papers containing detailed information about a particular person or subject (usually a person's record).

Data is a synonym for dossier in account topic. In some cases you can use "Data" instead a noun "Dossier", when it comes to topics like report.

Data noun - A collection of factual knowledge about something.

Dossier is a synonym for data in statement topic. You can use "Dossier" instead a noun "Data", if it concerns topics such as information in visible form.