A sales rep has left the company and an administrator has been asked to re-assign all their accounts and opportunities to a new sales rep and keep the teams as is. Which tool should an administrator…

Data Loader requires preparing a CSV file with updated owner IDs and running an update operation, which is more complex and does not natively preserve team settings without additional configuration.

The Mass Transfer Tool is a built-in Salesforce feature specifically designed to transfer ownership of Accounts and Opportunities from one user to another in bulk. It includes an option to keep existing sharing/team settings intact, directly satisfying both the reassignment and team-preservation requirements.

Data Import Wizard is designed for importing new records or updating existing ones in bulk but is not specifically built for transferring record ownership between users.

Dataloader.io is a third-party tool not provided natively by Salesforce, and using it for ownership transfer would require manual CSV preparation and does not guarantee team preservation.