How to do bulk update on Intranet/SharePoint online document/ photos library
As you already knew we have moved our Intranet to SharePoint online. There might be case where you want to upload bulk folders and items to document/photo library. Here is how to do it.
Click on the folder that would like to update in bulk.
Click on Thumbnails> View in File Explorer (must use IE to see this option)
Click on Open with Explorer
Here is the folder view that allow to upload in bulk items.