How can i print invoice register for the each month?

Welcome to the Community, @lindak1119!

You can easily print a list of invoices by pulling up the Invoice List report. Let me guide you how.

To pull up the report, you can follow the steps below:

1. Click Reports from the left menu.
2. Search for Invoice List.
3. Under Report period, click the drop-down and choose Custom.
4. Change the date range to the month of your reporting needs.
5. Click Run report.

I’ve attached screenshots below for your reference.

Also, you may read this article for your future reference: How to Customize Reports.

Please let me know if you have any other questions. I'll be around to help. Have a great day!