If you need to update prices on combinations using the CSV import, here is how.
Adding prices when creating combinations
Your CSV file will include a line per combination. The prices columns will therefore include the values associated to each combination.
For more detailed information on creating your products and their combinations by CSV import, please refer to this article.
Updating prices on existing combinations
To update prices on your existing combinations, the quickest way is to run an export using Store Commander's CSV export tool.
Your export file will include the following fields:
You can then add or modify the values in the corresponding columns of the generated export file..
And finally import this file to update your combinations with the new prices.