> For the complete documentation index, see [llms.txt](https://docs.parallels.com/landing/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.parallels.com/landing/ras-admin-guide/parallels-ras-21-administrators-guide/universal-scanning/adding-scanning-applications.md).

# Adding scanning applications

### Adding a scanning application

TWAIN applications that will use the Universal Scanning feature have to be added in the TWAIN tab by selecting the **TWAIN Applications** button so they can use the Twain driver, hence making it easier for the administrator to set them up.

To add an application to the list of scanning applications:

1. With the **Universal Scanning** category selected in the RAS Console, click the **TWAIN** tab.
2. Click the **Twain Applications** button (below the **Servers in Site** list) and then click **Add**.
3. In the **TWAIN Applications** dialog, click **Tasks** > **Add** and browse for the application executable. Select the executable and click **Open**.

{% hint style="info" %}
**Note:** Some applications might use different or multiple executables. Make sure that all required executables are added to the list of scanning applications.
{% endhint %}

### Deleting a scanning application

To delete a scanning application from the list, highlight it and click **Tasks** > **Delete**.

{% hint style="info" %}
**Note:** If you delete an application from the list, the installation of the application will not be affected.
{% endhint %}

You can also specify a universal scanning compression policy. For more info see [**Client Policies** > **Experience**](/landing/ras-admin-guide/parallels-ras-21-administrators-guide/user-device-management-and-client-policies/client-policies/configure-session-settings/experience.md).


---

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