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Tenant and flow admins or the designer user that created a workflow  workflow can abort workflow tasks. Aborting a workflow task removes that task from users' task lists. 

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Now to abort the form/flow. See the results returned by the search form:

1. View Click on the Image Added abort this task icon on the Task List or view the retrieve results and click the  modify icon
2. Check yes "Abort this task?"
3. Enter a reason
4. Submit the modify form

The task will be removed from the user(s)' task list. Use caution as an abort form or flow cannot be resumed. 

Flow Admins and Designer Users

Flow admins and designer users do not have the option to search for tasks locked by a user. 

To Abort all tasks pending for a specific flow:

1. Select the flow name from the Form/Flow dropdown
2. Select "Pending" from the Submission Status dropdown
3. Submit the search form

Now to abort the form/flow. See the results returned by the search form:

1. Click on the Image Added abort this task icon on the Task List or view the retrieve results and click the Image Added modify icon
2. Check yes "Abort this task?"
3. Enter a reason
4. Submit the modify form

Remove defunct tasks from search results?

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By default the search return all the tasks you have participated in that are in the states: Saved, Pending, Submitted, Aborted and AbortedWaiting. If you want to view only tasks still in process (Saved or Pending), refine the search via the "Submission Status" dropdown. The same is true for tenant admins though they can search for tasks for any tenant user.

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