This feature is available in the classic Velixo product for Excel for Windows
The Project Forecast selection under the New Sheet pulldown...
...starts the process of being able to use Excel and Velixo to tie in with your ERP's Project Forecast module:
For more information see: Using Project Forecast Writeback
Note: Use of Project Forecast Writeback requires that the Acumatica Customization Project be imported and published to the ERP instance.