Hi Don,
Thanks for your response.
I've actually been relatively successful in the past developing CR with an Excel input joining to a (multiple) command(s) against an oracle database. Linking the data sources is straight-forward when the join field appears in all data sources. Runs a bit slow, but works well.
This particular report is a bit more complex in that it has several commands and several excel files and no opportunity to join the commands without first manipulating one of the excel files.
I suppose exploring the sub-report option in this case may be viable but my experience with sub-reports is that it would run excesively long...
Elena