Scenario: CSV Import of Company Bank Details.
Solution
Navigate to Setup > Import/Export > Import CSV Records
Import Type: Select Custom Records
Record Type: Select Company Bank Details
Under the CSV Files section, select the file to upload
Click Next
Choose the appropriate Data Handling option (could be Add, Update or Add/Update)
Click Next
Map the fields on the CSV file to the fields on the Company Bank Details
Click Next
Assign Import Name
Click on Save & Run