How do I print ageing summaries for customers and suppliers in months, and not 30 day segments

Hello there, @ashwellsplumbing.

Let's customise your A/P Aging Detail report and A/R Aging Summary report. 

Here's how:

1. Go to Reports menu.
2. Type A/P Aging Detail report in the search bar.
3. Click Customise.
4. Select Filter, then click the Customer and choose the specific customer.
5. Hit Run report.

To customise A/R Aging Summary report:

1. From the left menu, click Reports.
2. Type A/R Aging Summary report in the search bar.
3. Click Customise.
4. Select Filter, then click the Customer and choose the specific customer.
5. Click Run report.

For reference, you can read this article: Customise your reports in QuickBooks Online.

If you need further assistance with this, I’ll be around anytime to help. Have a great day.