Hello there, Adavis-asea.
You'll encounter that message if you upload a file with an incorrect format. These are the file formats QuickBooks Online supports:
- Comma-Separated Values (CSV) files
- Quicken (QFX)
- QuickBooks Online (QBO)
- Microsoft Money (OFX)
Let's make sure you're using the correct format so you can import bank transactions successfully. For more information, check this article: How to upload more than 90 days of bank transactions.
Don't hesitate to visit us if you have other questions.
