1. Open the Business Partner Master Data

2. Find the “Vendor” or “Customer” you want to add a “Group” for:

Business Partner Groups, SAP Business One

3. Choose the “Drop Down” menu from the “Group” Field

4. Choose “Define New”

Business Partner Groups, SAP Business One

5. Add the new Group Name and Choose Update

6. Update your Customer or Vendor’s Master Record

Business Partner Groups, SAP Business One