If it's due to some API differences you're seeing between the Excel desktop vs Online versions, the goal is for the APIs to behave the same across endpoints, so it may be a bug. If you let me know the specifics, I can follow up.
If it's due to some API differences you're seeing between the Excel desktop vs Online versions, the goal is for the APIs to behave the same across endpoints, so it may be a bug. If you let me know the specifics, I can follow up.