Start expanded vs not expanded in Reports

Summary:

Is it possible to drill into a hierarchy on a report? Or have it set up to not start expanded, like in forms?

Content (please ensure you mask any confidential information):

I have a report that has an account rollup, but the users would like to be able to expand this once the report is in excel. Is that possible?

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):