1.To Add a new lookup value, right click on the Lookup Subfolder (e.g. Primary Category in this example) and choose New:

2.Enter a Name for the new value, click OK:

3.Click Yes to confirm:

The new value will then appear:

Make sure you close thankQ and open it again for the change to take effect.
Note: Not all Lookup Values can have new entries added. If you attempt to add a lookup value in those cases you will get an error message.