The **Aspose.Cells.WebExtensions**  namespace contains classes to access Office Add-in in Excel Files.

### Classes
| Class | Description |
| :- | :- |
| [`WebExtension`](/cells/python-net/aspose.cells.webextensions/webextension) | Represents an Office Add-in instance. |
| [`WebExtensionBinding`](/cells/python-net/aspose.cells.webextensions/webextensionbinding) | Represents a binding relationship between an Office Add-in and the data in the document. |
| [`WebExtensionBindingCollection`](/cells/python-net/aspose.cells.webextensions/webextensionbindingcollection) | Represents the list of binding relationships between an Office Add-in and the data in the document. |
| [`WebExtensionCollection`](/cells/python-net/aspose.cells.webextensions/webextensioncollection) | Represents the list of web extension. |
| [`WebExtensionProperty`](/cells/python-net/aspose.cells.webextensions/webextensionproperty) | Represents an Office Add-in custom property. |
| [`WebExtensionPropertyCollection`](/cells/python-net/aspose.cells.webextensions/webextensionpropertycollection) | Represents the list of web extension properties. |
| [`WebExtensionReference`](/cells/python-net/aspose.cells.webextensions/webextensionreference) | Represents identify the provider location and version of the extension. |
| [`WebExtensionReferenceCollection`](/cells/python-net/aspose.cells.webextensions/webextensionreferencecollection) | Represents the list of web extension reference. |
| [`WebExtensionTaskPane`](/cells/python-net/aspose.cells.webextensions/webextensiontaskpane) | Represents a persisted taskpane object. |
| [`WebExtensionTaskPaneCollection`](/cells/python-net/aspose.cells.webextensions/webextensiontaskpanecollection) | Represents the list of task pane. |


### Enumerations
| Enumeration | Description |
| :- | :- |
| [`WebExtensionStoreType`](/cells/python-net/aspose.cells.webextensions/webextensionstoretype) | Represents the store type of web extension. |