Hi CanBusOp,
It's a pleasure to see you in Community. Welcome! QuickBooks Online provides everything you need to manage accessibility to your books. I'd be happy to assist.
Here is how you can find your past invoices:
1. In QuickBooks Online, head to the the Magnifying glass at the top right of the screen
2. At the bottom right of this page, select Advanced search
3. From the drop down menu next to Search, click on Invoice
4. Select Add filter
5. Click on the Date filter and enter 2020 to view/edit/download all if your invoices dated in 2020.
If you have any other questions, feel free to reach out here.
