Currently we developed a VB macro for word. While we tried to use it on mac it failed with message \"VB Macro not supported in mac\". Is there a way to c# office add-in for
Mac Office does not (i.e. no longer) support COM/VBA automation. This means that you won't be able to use code from your existing Windows add-in.
In order to automate Mac Office you would have to make use of Automator Actions. I am not very familiar with these, but I believe that they are less feature-rich than the VBA object model of the Windows edition.
The following page has some Actions to get you started:
Microsoft Office Automator Actions
Update: It seems that the new Mac Office 2011 comes again with some support for VBA automation.