To Archive a Tour-
Go to Manage Tab> click on tour and in Gray Box click on Archive tour.
The tour link will become invalid, but you can retrieve it at any time.
To Reactivate a Tour-
Go to Manage Tab> on the right of the screen you will see a "FILTER BY" - hit the down arrow and click on archive. A list of your archive tours will appear.
Click on the tour> activate ( gray box) -
Go back to "FILTER BY" and click on Active-
Your list of active tours will appear> make sure you publish this tour out again so that the new link is updated and live.