The archives of the Commission can be divided into two main parts: Official Documents and correspondence files.
It should be noted that documents and copies of documents were often put into the files. In some cases there is no printed document, or, in a few cases, the existing original typescript has been bound with the documents. If a document is missing from the bound volumes, the original could also possibly be found in the file. Therefore, it is important to consult both the documents and files.

The documents, by their nature as working tools of the Commission members, Member Governments and the Staff, exist in several copies and were distributed to all those mentioned above.

The Archive Group has three fonds:
-Archives of the Intergovernmental Bureau for Informatics (IBI)
-Archives of the International Council for Philosophy and Humanistic Studies (ICPHS / CIPSH)
-Part of the archives of the African Training and Research Centre in Administration for Development (CAFRAD), from the years 1961 to 1973, 2 boxes