Is there a way to force the series when the value in a grouped bar chart is zero or null?
As long as the data exists for the series, they should show up in your series list regardless of whether your Y values are 0 or NULL. If you're wanting to have it show the data labels even when 0 or NULL you can use the following Data Label settings:
Let me know if this isn't what you're looking for.
**Please mark "Accept as Solution" if this post solves your problem**Say "Thanks" by clicking the "heart" in the post that helped you.