To delete a supplier file, from the Main Menu:

Select Stock Routines, Supplier File then Create/Amend/Delete Suppliers.

When the Supplier File Filter Screen appears, locate the supplier record you wish to delete

Select F3 Accept to go into the Supplier File. Once you have accepted into the record, you will have the F4 Delete option on the toolbar.  Select this option.

You will then receive a prompt as below:

- Deletion Message -

Select Yes at this point to delete the Supplier record.