Do one of the following:
Create a task from scratch
Make
the task recur at regular intervals
Select options for that frequency. Do not click Regenerate new task, or the task will not recur at regular intervals.
Make
the task recur based on completion date
Click Regenerate new task, and then type a time frequency in the box.
Create a task from an existing task
How?
Note Changing the view for items can make selecting specific items easier. For instance, if you want to select all messages that have the same subject, in the folder containing the messages, click View, point to Current View, and then click By Conversation Topic. Select the messages you want from the view.