How to bulk add multiple locations to products

[EYCB]

Go to the product section and then select the inventory then export the csv and add the location in that and on that location add the product stock.

For more info you can check the below link

https://help.shopify.com/en/manual/products/inventory/managing-inventory-quantities/bulk-editing-inventory#step-2-select-product-variant-properties-to-edit-in-bulk