When migrating from another AbanteCart installation or shopping cart store, you can export data to a comma-separated (or another delimiter) value (CSV or TXT) file and then import that file into your current AbanteCart store. CSV files are text files representing tabulated data and are supported by most applications that handle tabulated data.
what the benefits
Easily load your product catalog when you have a very large amount of products. Or easily update your products in spreadsheet editing software like OpenOffice or Microsoft Excel