This isn't the experience we want you to have, @BlueStarof1.
Currently, we've received similar cases or reports about the issue of being unable to attach files in QuickBooks Online. I recommend contacting our Customer Care Team Support so they can add you to the affected users list.
Here's how you can reach out to them:
- Go to Help (?).
- From the Search tab, click Contact Us.
- Please enter your question and select Continue.
- Review and Select from the following: Have us call you or Chat with us.
For more information about attachments in QBO, please refer to this article: Add or delete attachments in QuickBooks Online.
For future reference, you can review this guide about special characters for attachments: Learn more about special characters in QuickBooks Online.
I'm always here to help you whenever you need more assistance with your QBO files. Keep me in the loop by tagging me in your reply.
