To configure what unavailable reasons will be archived:

1. Under Administration
2. Select [Managed Lists]
3. Filter the module to Assets and click [Apply]

4. Select Unavailable Reason and then click [Manage...]
5. You can either create a new reason or edit an existing reason
6. Enter a name for a new reason (e.g. Archived) and click [Add]
7. Double click the reason and check the box for [Archive asset?] and click [OK]

1. Bring up an asset's details
2. Change the Available radio option to No
3. From the Unavailable Reason drop down menu select the option previously set up for archiving (e.g. Archived)
4. Click [Save]
5. You will be prompted with a window asking if you are sure you want to archive the asset, click [Yes]

Now in the Assets Lists you can see the asset has changed and been made unavailable.