How Can I Perform an Action for More Than One Element Simultaneously in the Explorer?

You can perform this operation in card & list view of Explorer.

Cards View

1. Hover over an Element and check mark the appearing circle on its thumbnail image.
2. Repeat step 1. on at least one other element.
3. Use the available actions on top according to your needs:
       a) Delete
       b) Smart Copy to another Workspace
       c) Open in Stack (up to 10 elements)

List View

1. Mark the checkbox on the left side of an Element.
2. Repeat step 3. described in "Cards View"