Go to the “Listing Management” Tab and click on the “Bulk Publish” button.
Once clicked on the button, a pop-up box will appear in front of you, click on the drop-down menu and select the Template you want to upload (as displayed below).
Now click on the “Publish on Michaels” button.
With this, all the products (or product-set) under the template selected will start uploading which you can view either in the Activities Tab.