| Self-hostedExisting CSV widget | A visitor chooses a CSV on your page | Review, edit and revalidate in the browser | Your approved static host; the widget sends nothing externally | Browser-only; input is not kept after reload or close | Place files, set permissions and run acceptance checks | You need control of the data boundary / you need server-side receipt |
| Managed serviceCSVbox-style category | The provider’s form or intake page | The provider’s specification and contract | A provider account or environment; confirm by contract | Period, region, deletion and access vary; confirm each | May reduce build work, but needs configuration and contract review | You want to outsource operations / unverified retention is unacceptable |
| Manual handoffConfirm before sharing | A person checks the synthetic example and receives it | A person confirms format, destination and deletion deadline | An agreed safe handoff route | Write down the owner, storage location and deletion deadline | Little build work, but repeated review and records are required | Small volume and guided work / recurring large-volume intake |