digital-micro archive

A system and management method that can be realized in a way that digital preservation media such as CD, DVD and HDD, which have excellent accessibility, and microfilm, which has excellent long-term preservation properties, complement each other and coexist in harmony by taking advantage of their respective features.
As for the basic usage method, microfilms are automatically created from electronic or scanned documents with enhanced legal evidentiary capability, and daily use is conducted with electronic or scanned documents, while long-term preservation exceeding 100 years will be realized by microfilms.
See JIS Z 6018: 2021 (ISO 11506:2009)

It is standardized as Document Management Application - Archiving of Electronic Data - Long-term Preservation Methods with Computer Output Microform (COM)/Computer Output Laser Disk (COLD).