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1. Login to your tenant as the tenant admin
2. Click the Home link in the upper right corner of the page (to the left of the LOGOUT link)
3. Click the Tasks tab
4. Click the  search icon
5. Select the form you're searching for from the Form/Workflow dropdown
6. Select Pending from the Submission Status dropdown
7. Click Submit
8. View the results and click the Image Modified modify icon
9. Select a person you want to reassign this task to from the Assign to a different user dropdown OR select the Reset to Step
10. Enter a reason
11. Submit the modify form

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

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

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

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

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The only user that has the permission to actually delete completed tasks -- those in the Submitted state -- is the form/workflow's designer. See viewing and managing submissions.

Why did a task disappear from my Task List?

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1. Manually reassigned/aborted by the tenant/workflow administrator
2. The task was assigned to a role and another user with that role clicked on the task to perform it.
3.  can monitor workflow tasks that must be started or completed within a certain time limit. When the specified time limit is reached, the task may be reassigned to another user.

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