The purpose of the archives maintained by the Craft Museum of Finland is to record the Finnish craft culture, craft tradition and related knowledge and skills. The collections are managed and maintained for research use and are available to all customers. The scope of the archive collections of the Craft Museum of Finland is about 150 shelf meters. The collections of the document archive are divided into two separate entities, both the museum's own and external collections.

The National Costume Center of Finland is dedicated to preserves national costumes and related materials from Finnish-speaking territories. The collection also covers costumes previously considered national costumes that continue to be worn as such today, as well as local and provincial costumes.