Let's troubleshoot the issue you're having with uploading your bank statements in QuickBooks Online (QBO), Arlene.
I agree with what SIAB suggested. I recommend opening your QBO account in any supported browser. This will help us determine if the problem is related to the browser you are currently using. Additionally, could you let us know if you encounter any error messages when attempting to upload the bank statement?
If the issue persists after switching browsers or if you receive any error messages, I suggest reviewing the CSV file to identify the cause of the problem. You can find detailed instructions in the article: Fix Bank Upload Errors.
If you have any further questions, feel free to share them in the Community again.