An updated version of the Excel Import Service Broker supports a number of new features:

• Added support for CSV files.
• Added non-bulk upload methods.
• Added named worksheet selection for Excel files.
• Added duplicate column handling for Excel files.
• Added row header index to allow you to specify where the data in the Excel file starts.
• Skip import of empty Excel rows.

The code is here: https://github.com/paulk-k2dev/DataImporterServiceBroker - pull requests welcome.

Tested on K2 versions 4.7 and 5.4

If you just want the files to run the broker then you can grab the latest version from here: https://github.com/paulk-k2dev/DataImporterServiceBroker/releases