When working with Revisions in Revit using Revision Clouds to highlight changes on Sheets you can select any of those Revision Clouds and you will see the Revit Properties display as shown below.

Xporter Pro Revit Revision Cloud info

This Revision Cloud data can be extracted on the fly by Xporter and then exported to a Microsoft Excel .xlsx file if required.

To do this click the Revision Cloud Data button from the Xporter Ribbon as shown below.

This will then extract the data of any Revision Clouds present in your Revit Project and display in a dialog box like that shown below.

Xporter Pro Revision Cloud Data dialog

The extracted data can then be exported to an .xlsx file by clicking the Export button shown above if required and saved to a designated output folder.