Good day, accounts275.
I'm here to help ensure you can upload your receipts via the Excel spreadsheet in QuickBooks Online. Let's get this imported.
You might want to make sure that the fields in the receipts are mapped correctly. See the sample screenshot below.
If you're still unable to upload the spreadsheet. You can get visit this link to help guide you more with the process: How to import sales receipts.
To make sure you can successfully upload your receipts, see the sample screenshot below for your reference.
You can always get back to me if you need additional assistance. I'll zip right back to help you out. You have a wonderful day!