Follow these steps to import inventory information for your products and SKUs from a spreadsheet into Commerce Cloud:
On the Catalog page, click Manage Catalog and select Inventory.
On the Manage Inventory page, click the Import button.
In the Import dialog, click Browse and locate the CSV file to import.
Click Upload File.
Click Validate.
Note: Depending on the size of the spreadsheet, this process could take several minutes to complete.
The Import dialog displays the total number of changed, new, and unchanged items, as well as any errors or warnings. To see a full report, click Download Full Report.
Click Import.
The new inventory data is added to your catalog and is automatically updated on your storefront.