Hi all,
during NAV 2013 partner workshops I was asked very often about which Office version is supported when using the NAV Excel Addin in 2013.
This is the official statement from the release notes from NAV 2013
Excel add-in not working with Office 2007
Description: When you install Microsoft Dynamics NAV 2013, you can install the Microsoft Office Excel Add-in. However, if you install on a computer where Microsoft Office 2007 is already installed, it may not always work correctly. For example, if you try to send a customer list to Excel, Excel will start, but the list will not contain any content.
Workaround: Uninstall the Microsoft Office Excel Add-in using Microsoft Dynamics NAV 2013 Setup. Then when you choose the Send to Microsoft Excel action, the list is sent to Excel. For more information, see the System Requirements for Microsoft Dynamics NAV 2013.
System requirement Notes:
Note Microsoft Dynamics NAV 2013 Setup can only install the Excel Add-in if Excel 2010 is present on the target computer.
Just my 2 cents:
– I didn’t try it, but if I understand it correctly this means:
You CANT use the Excel Addin in NAV 2013 if you are using Office 2007. But if you uninstall(or not install it 
) the add-in you are still able to send data to excel 2007 in a way like NAV 2009 it does.. !?
What about oneNote?
Microsoft Office 2010 is required for OneNote integration. However, OneNote integration is not supported for 64-bit editions of Microsoft Office 2010 running on Windows Server 2008.