You can select multiple items at once by clicking the multi-select checkboxes located in front of each item. To select every item in the list, use the checkbox at the top of the column.
After selecting an items, the available actions for those items will appear in the top-right corner of the screen.
The actions that are displayed may vary depending on the type of items selected.
Use the available actions to quickly apply changes or perform operations on all selected items at once.