There are occasions when you’ll want to unpublish blog posts in bulk. For instance, when running a blog of your store, you sometimes want some blog posts to be hidden at a period of time without them being deleted permanently. Now with the Shopify provided bulk action, you not only can hide a blog post, but can also hide several blog posts from the online store without actually deleting those blog posts.

https://avada.io/shopify/docs/how-unpublish-blog-posts-bulk-shopify.html