The SKU is pretty basic stuff for Magento merchants but is also very important when it comes to running large e-commerce websites. A clean, accurate and properly formatted set of SKUs is crucial for your business.

Here is some great information we found about how to deal with Magento SKUs. (For the original blog post by Adam Moss, view the link here.)

Every product in your Magento store is required to carry a SKU (Stock-keeping Unit), a value which must be unique in every case and is arguably your product’s most important attribute. Aside from your product ID, the SKU is used as the main identifier for each product in your store by a variety of methods in the core code.

Additionally, the product SKU is a global attribute which means it will appear the same across any store or website view. This is because, like the product’s stock level, the SKU should remain constant in a back office environment. Imagine a pair of slippers of size 10 in your warehouse – the SKU and number of items in stock will remain consistent regardless of what store or country you’re selling in.

Here’s a few tips for merchants who are setting their product’s SKUs in Magento:

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