mass-change Business Partners

Dear Experts,

Good day.

I would similar to inquire astir mass-changing Business Partners. Is the app "Start Mass Maintenance - Business Partners" suitable for this purpose? If so, could you delight supply guidance connected however to hole the import file?

Additionally, tin I usage the "Start Mass Maintenance - Business Partners" app to make a vendor relation for an existing BP number?

Thank you precise overmuch for your assistance.

Best regards