It's good to have you back here, rogeraf.
Pulling up the Unbilled Charges report and customize it shows your billable expenses that are still unbilled to a client or project. You may want to refer the steps provided by my colleague above to get the information needed.
For more detailed information on how to customize reports, here's an article you can refer: Customize reports in QuickBooks Online.
I'll be around if you have any other concerns.
