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Terms of Service

Last updated April 28, 2026.

Service

Derek provides AI-assisted spreadsheet analysis, editing, search, comparison, and explanation features through web and add-in experiences.

Accounts

Customers are responsible for authorized account use and for configuring access to connected spreadsheet repositories and workspace data.

Customer content

Customers retain ownership of their content. Derek processes customer content to provide the service and according to the applicable customer agreement.

Acceptable use

Users may not use Derek to violate law, infringe rights, compromise security, or attempt unauthorized access to systems, data, or accounts.

Disclaimers

Derek is designed to assist human review, not replace professional judgment. Users are responsible for reviewing outputs, edits, and recommendations before relying on them.