non-structured data

Data that is not formatted in advance and saved in its original format.
It is in contrast to "structured data" that can be easily managed in databases, etc., and refers to paper documents such as application forms, contracts and reports, office documents created by PCs, correspondence such as e-mails, web content, digital content such as music, photos and videos, faxes, data such as scanned documents obtained by scanning.

Generally, it is said that the amount of unstructured data, which is difficult to organize, is four times larger than that of structured data, which is easier to organize.
→ See structured data