# Managing Deployed Applications
Once you have deployed applications, you can perform certain management tasks on them from the **Deployed Applications** interface of the **Deployed** section.
## **Loading and unloading applications**
If you want to temporarily make a deployed application unavailable, you simply need to unload it by selecting it in the list and pressing **Unload**. When an application is unloaded, users can no longer start it using its URL.
If you want to make it available again, simply press **Load** to reload it.
## **Editing an existing application**
Editing an existing application allows you to go through all configuration sections again and change any options as needed.
Double-click on the application’s name and select **Edit**.
## **Clone an existing application**
Select an application to duplicate it.
## **Updating applications**
Updating a deployed application means deploying it again, overwriting the existing version. This is equivalent to editing an existing application and keeping all the same options.
{% hint style="info" %}
Updating applications is useful when you install a new version of JMap to make sure your deployed application uses all the latest library versions.
{% endhint %}
You do not need to update deployed applications when the data or the project changes.
## **Permissions**
If you select a deployment in the **Deployed Applications** table, you can access the **Permissions** section. You can also access it from the application configuration interface.
**Permissions** section has two tabs: **Permissions** and **Owners**. The owners are the only ones who can manage the administrative permissions for the deployment, manage the list of owners and delete it.
A list of users and groups with permissions appears in the **Permissions** tab. Click on  to add new users or groups.
{% hint style="info" %}
Available users and groups are configured in the JMap Server section of JMap Admin. Refer to the [Users and Groups ](/e/administrator/jmap-server-administrator-manual/jmap-server/security/users-and-groups.md)section for more information about managing users in JMap Server.
{% endhint %}
Deplyments have only administrator permissions.
Administrate deployment
Allows an administrator to modify the deployment.
## **Downloading applications**
If an application’s type is **External**, you can download that application’s .*war* file in order to deploy it on another web server.
In the application configuration interface, press **Download**.
For more information on external applications, see [this section](/e/administrator/jmap-server-administrator-manual/jmap-server-applications/deployment-classical-jmap-applications.md#creating-a-new-deployment).
## **Deleting applications**
Deleting an existing deployed application deletes all files related to this application. There is no way to undelete an application (you need to redeploy it).
{% hint style="info" %}
When deleting an application, none of your data or configurations (projects, layers, data sources, databases, etc.) are deleted nor affected in any way.
{% endhint %}
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