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This document describes which assemblies are required by applications that use the functionality of the XtraSpreadsheet Suite. Some of the assemblies are essential, while others that provide additional functionality can be optionally deployed, depending on your requirements.

If you use other DevExpress components in your application, their use and deployment should comply with the corresponding EULA documents. For more information on licensing and the redistribution policy of DevExpress, refer to Redistribution and Deployment.

Expanded Required Libraries

Below are the essential libraries that are required by applications that use the XtraSpreadsheet Suite. These libraries are considered redistributable under the DevExpress EULA, intended for distribution by you to the end-users of the software applications that you create.




Implements the most basic functionality common to all DevExpress controls. This includes classes for data binding, skinning, printing, exporting, as well as many other auxiliary types and resources.


Contains basic utility classes and common skins (such as "DevExpress Style", "Visual Studio 2013", "Office 2013" and "Seven Classic").


Provides the basic functionality for the user interface.


Contains base classes common for Office File API and Office controls.


Contains basic classes that implement the main functionality of DevExpress Spreadsheet.


Contains the SpreadsheetControl and basic classes that implement its main functionality.


Required for built-in editors.


Required for built-in editors.


Contains the Ribbon UI, toolbar, menu and docking components, provided by the DevExpress Ribbon, Menu and Docking Library.

Note: This assembly is also required when using the PdfViewer control.


Contains a set of full-featured editors supported by the XtraEditors Suite.

Note: This assembly is also required when using the PdfViewer control.


Contains a navigation bar component supported by the XtraNavBar suite.


Contains the classes required to paint tree-like controls.


Contains classes that implement printing and exporting functionality implemented by the Printing-Exporting library.


This assembly is required for the DevExpress.XtraPrinting.v19.2.dll library.


Contains classes that implement the basic functionality for DevExpress printing libraries.


Required for embedded charts.


Required for embedded charts.


Required for embedded sparklines.


Required for the Mail Merge functionality.


Required for the Mail Merge functionality.


Required for the Mail Merge functionality and certain built-in dialogs.


Required for export a document to PDF.

Expanded Additional Libraries

The following libraries provide additional functionality for applications that use the functionality of the XtraSpreadsheet Suite.

Assembly Description
DevExpress.BonusSkins.v19.2.dll Contains extra skins (such as "Metropolis" and "McSkin").
DevExpress.Dialogs.v19.2.Core.dll Contains internal classes that implement the core functionality for DevExpress dialogs.
DevExpress.Xpo.v19.2.dll Required for end-users to operate Data Source Wizard when adding a new data source in the application which uses Mail Merge functionality.
DevExpress.XtraDialogs.v19.2.dll Contains skinnable DevExpress counterparts for standard WinForms Open and Save File dialogs.

Expanded Non-Redistributable Libraries

Distributing any DevExpress design-time libraries ending with ".Design" (for instance, DevExpress.XtraEditors.v19.2.Design.dll), is strictly prohibited.

Please consult the EULA for additional information on which libraries, tools and executables are considered redistributable.

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