DORMANT DATA PARTNERS PREPARATION CHECKLIST Revision: 26 October 2026 [ ] Identify the person authorized to commission the inventory. [ ] Record retention duties, legal holds and restrictions before copying or changing material. [ ] List systems, cloud accounts, physical media, locations and custodians. [ ] Note retirement dates and dependencies on hardware, software or former staff. [ ] Record known formats, date ranges and approximate volumes; use Unknown where needed. [ ] Describe access problems without including credentials or encryption keys. [ ] Preserve existing catalogs, schemas, data dictionaries and migration notes. [ ] Locate acquisition agreements, contributor permissions and licensing records. [ ] Flag possible personal or confidential data for appropriate review. [ ] Record observations separately from assumptions and inferred metadata. [ ] Agree secure working-copy and integrity-check procedures with the authorized owner. [ ] Obtain ownership and privacy review before preparing or sharing samples. [ ] Assign each open question a responsible person and a next step. Do not repeatedly attempt reads on damaged media. Seek specialist assessment. This checklist does not establish ownership, clear rights, authorize recovery or provide a valuation. No files need to be uploaded to make an inquiry. Recovery planner: https://dormantdatapartners.com/preparation/recovery-planner/ Accession inquiry: https://dormantdatapartners.com/accession/ Contact: hello@dormantdatapartners.com