Change product SKU
To be able to change product sku with RapidFlow, you need to have the Pro add on.
Make a regular product type export with single column in it - sku
Export your product's sku, and download the file.
Edit the file, remove top row with column name, prefix each sku row with
with no spaces around the code.
Add a column after current sku with new sku code, remove the rows you don't want to change.
Create import profile of type Products Extra and import the modified file.
##%CP code, old sku, new sku