This section explains how to suspend/pause/hold a workflow, and how to release a suspended workflow:
To suspend or hold workflows you first need to view the list of workflows:
You need to click the Workflow ribbon in the top of your browser session to view the workflows:
Now you see a list of your workflows:

Now you need to select the workflow(s), that you want to suspend by clicking the white square to the left of the workflow(s) or even click the top square to select them all.
Below the workflows has been selected and we can now suspend all selected with the suspend icon marked on the right:
Confirm the suspension:
You can now see that the workflows has been suspended on the very left with the red marking and the suspended image on the left:
Release a suspended workflow
If you want to release suspended workflows (that was suspended earlier), then you first need to select the workflows by clicking on the white squares as for suspending:
And then click the resume icon in the top: