As an administrator, you can filter accounts that match a specific criteria in the data grid and then edit the account names in the bottom section.
To mass edit account names:
Tip: Click Display hierarchy of selected to view sub-accounts for the filtered accounts.
Accounts can be selected individually or you can click Select All Displayed based on the Contains, Starts with or Ends with filters. The Settings section is displayed for the accounts selected.
You can preview the changes in the dialog box before saving.
The renamed accounts appear in the data grid.