For Alert Reminider Boost 2.x, when an item is changed or created, the workflow will be "In Progress" forever, how to terminate those workflows?
1. For the workflows which already sent out emails, please set "Exit Workflow Conditions" the same as "Conditions" in alert/reminder part.
2. For all of the workflows, Please use below tool to terminate them:
Applies for: SharePoint 2013, SharePoint 2010, SharePoint 2007