Hi Nanchor,To be honest, it is not an issue but expected behavior.According to: Visio also supports two-way synchronization between the Visio diagram and the Excel workbook. Not only can you create the flow chart, by editing data in Excel and refreshing the diagram from Visio,but you can also make changes to the Visio Diagram and then update the Excel data from the diagram.In my opinion, Data Visualizer is used for created template in your Visio application, if you don't need dynamic sync between workbook and drawing, you can tryi.At present, there is no Lock button in Visio for keep diagram fixed. If you need further help, you can try reach more resource by email:dv-feedback@microsoft.com or post your idea in.Regards,Eric - If you feel a reply works for you, please kindly vote or mark it as it will be beneficial to other community members reading this thread.
You can draw a floor plan in minutes with Microsoft Visio. Business process modeling, swimlane diagrams, 3D maps, and many more.