The Business Partner Master Data File (or Master Business Partner Data File) is the central location inside SAP Business One where ALL information pertaining to a customer is stored and can be quickly accessed.
To access the Business Partner Master Data File inside SAP Business One, within the modules menu navigate to: Business Partners > Business Partner Master Data
Below is a screenshot of the Business Partner Master Data File window:
Below is a screenshot of the Contact Persons tab inside the Business Partner Master Data File window:
Below is a screenshot of the Addresses tab inside the Business Partner Master Data File window:
Below is a screenshot of the Payment Terms tab inside the Business Partner Master Data File window:
Below is a screenshot of the Payment Run tab inside the Business Partner Master Data File window:
Below is a screenshot of the Accounting tab inside the Business Partner Master Data File window:
Below is a screenshot of the Properties tab inside the Business Partner Master Data File window:
Below is a screenshot of the Remarks tab inside the Business Partner Master Data File window:
Below is a screenshot of the Attachments tab inside the Business Partner Master Data File window:
