I am continuing to explore the ability to share and control the logic of a Excel Workbook via the Internet/Hosting/SaaS/Cloud. Presently, I'm compiling a Excel 2010 WB and sending it to users. There are multiple compatibility issues with users based on their particular platform.
I am looking for a way to host the Excel App. in a Multi-Tenent environment. That is to say, each user can access the WB Logic, input data and view the results..... one user for each image (so no multi-user requirements). I see where I can save an Excel Workbook as XML and HTML. I have friends at Microsoft who have said I cannot use Sharepoint or SkyDrive.... I'm still waiting on hearing about using Office365........
Does anyone have an idea on how to accomplish this? Or does the Workbook need to be "re-written" for a specific environment (e.g. VBA? C', C++, VB, other)?