Use the Task Filters application to change an existing task filter whenever the attributes or values used in a filter clause must be modified for any reason.
Task filters are identified by a unique name. You can modify the attributes and values that belong to a task filter, but you cannot modify the task filter name or filter type. If want to modify the settings in a task filter and give it a new name, create a task filter or use the Duplicate Task Filter control, modify the task filter's name and, depending on the filter clause, modify the filter type; then save the new task filter.
The steps for modifying a task filter follow.