To export a customer list from Sage 100, follow these steps: 1. Open Sage 100: - Log in to your Sage 100 account. 2. Navigate to Reports: - Go to the 'Accounts Receivable' module. - Select 'Reports' and then 'Customer Listing Report.' 3. Set Parameters: - Set the desired parameters for the customer list you want to export. 4. Export Report: - Click on the 'Export' button. - Choose the file format (e.g., Excel, CSV) for the export. - Save the file to your preferred location on your computer.