Yes, it will as our Mass Product Actions module works with a database directly. You can edit multiple products, just one product, lots of text, etc....
Yes, you can do it via the “Update Attributes” action. Choose it on the product grid and then add or remove products from websites according to your needs:
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This can be achieved by using the “Update Attributes” action. Choose it on the product grid and then modify meta data or any other attribute as you need:
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No, Mass Product Actions extension won't delete associated simple products in this case. “Update Attributes” is a native Magento mass action and we don't change its behavior....
If you need to assign a product to a few categories (like root, parent categories and sub-categories) , you should disable showing categories as tree. Navigate to System > Configuration > Mass Product Actions > Show Categories as Tree > N...
