Hi Guys.

Have spent 5 or 6 hours googling this with little luck I thought I would put this out for suggestions.

This is what I want to achieve:

- Create an excel based financial model.
- Provide the financial model to potential customers on a 14 day trial:
---After the 14 days, if the customer does not purchase a licence, make the model inaccessible.
---When the customer purchases a licence, allow access to the model.
---Licences need to be bound to the user’s computer.
-The tricky bit – I need to allow licensed users the ability to send their amended models to any other licensed user for review
-Ideally protect the model so that formula / sheets cannot be copied out of the model (disable right click / ctrl + c?)


Is there third party software that could easily manage this (that is not thousands of dollars)? Failing this, would it be possible to create an excel add-in that could manage this?

Sorry all of that is a bit long! Any thoughts on how to best achieve this are much appreciated

Cheers