X-Cart Mods: Batch Product Updating for X-Cart:

"Want to be able to update multiple products at once via your XCart Administration section? Use this time-saving mod to facilitate updating your products! This mod allows you to update the following across many products at once: Product Title Product Code/SKU List Price Quantity Weight For Sale (Y/N) Price (purchase price) Wholesale pricing Extra Fields Search results also has a link to modifying a specific product if you need to modify more than what is provided for you."