Is it possible for us to receive an auto reminder from QBO on a customer's invoice due date?

Hello 1accounts-arnhem,

Let me guide you on how you can set your reminders based on invoice due date. Here's how:

1. Click on the Settings icon.
2. Click on Account and settings.
3. Click on Sales tab.
4. Locate and turn on Reminders and select Reminder 2 (On due date).
5. Fill out the subject line and email message of how your email reminders looks like.
6. Click on Save.
7. Click on Done.

You can refer to this link to learn more about sending invoice email reminder: Send invoice reminders automatically or manually in QuickBooks Online.

I'll be right here to assist you further if you're referring to something else or if you have any other questions. Just leave a reply below. Take care!