It's good to hear from you today, sraston-yahoo-co. Providing you some information regarding restoring local backup in QuickBooks Online is my priority.
Restoring local backup in QuickBooks Online basic version is currently unavailable. You can only backup and restore your data via a spreadsheet including but not limited to the following:
Customer
Suppliers
Products and services
Invoices
Bills
You might find this write-up interesting: Common questions about importing data to QuickBooks Online. On the same link, you'll find on what types of supported format you can use to restore your data as well as the maximum of rows you can import.
You can post any additional questions about restoring local backup in QuickBooks in this space or if you have other concerns aside from this topic, please let me know. I'm all hands on deck working to make sure I've got you covered. Have a great rest of your day!