I appreciate you joining this thread to get updates regarding the reported issue, Andres.

Yes, my colleagues are correct that our product engineers are already investigating this issue and working on a fix. We want to ensure that everyone will have a seamless experience with accessing their downloaded attachments. However, since our product engineers handle this matter internally, we're unable to disclose any updates at this time regarding their efforts. 

To ensure you'll get an update about the resolution status, I recommend contacting our QuickBooks Support Team. This way, they can add your company file to the list of affected users and provide this investigation number for easy tracking: INV-75901. To reach them, you can follow the steps below:

1. Sign in to your QuickBooks Online account.
2. Click the Help button.
3. In the QuickBooks Assistance chatbox, select Talk to a human and choose I still need a human.
4. Select Contact Us.

Once the issue is resolved, you’ll want to check out this article for your reference when customizing reports in QuickBooks Online. This way, you modify the data showing on your reports to focus on what matters the most: Customize reports in QuickBooks Online.

Thank you for your patience while we're working on this, Andres. If you have any other questions about QuickBooks, feel free to leave a comment below.