You can only Archive members that are inactive. So, once you have a member whom is inactive, follow the steps below to put them in Archive:

1. From the Main Menu, click on Member Records.
2. Select the name of the Member for whom you wish to Archive.
3. Click the Edit button.
4. On the General tab, click on the Archive Member button in the lower-right.
5. A Archive Member pop-up window appears where you must then click OK and then Save your changes.