A computer system includes a server computer and an insurance claim database. The insurance claim database stores data in electronic format and includes a claim folder that decomposes data of an insurance claim for an insured event into a plurality of levels, the plurality of levels including a policy level, a claim level, a participant level and a line level. The server computer is configured to generate a user interactive interface that interactively displays at least one of the plurality of levels reflecting information related to a policy, the claim, claimants and an insured person in a structured format to a plurality of users, and to allow each of the users to simultaneously interact with one of the plurality of levels to retrieve and enter data for the same insurance claim.