Hello Angie,
It's a great idea to keep an eye on your customers and your business growth. With QuickBooks Online, you can easily generate a report showing a list of your customers that were created within a specific date range. To do so, follow these steps:
- Select Reports
- Scroll down to the Sales and customers section
- Select Customer Contact List
- Select the little gear icon in the middle of the page
- Check the box next to Create Date
- Select Customize
- Select Filter
- Select the drop down menu for Created Date, then pick Custom
- Pick the date range you want
- Select Run report
To know more about report customization, check this community article: https://quickbooks.intuit.com/community/Reports-and-Accounting/How-to-customize-reports/td-p/262486.
Let me know if you have any other questions.