I need to protect a valuable excel document from being redistributed once i have sold it to clients
Im not sure how this would be done , use of a serial key or some similar method.
A multi use serial key would be better ie works on 3 computers
What can you offer?
17 freelancers estão ofertando em média $110 para esse trabalho
It's faily simple to encrypt and protect your Excel document, so there is no need to spend alot on doing this. I can show you how to do these things, or I can do them for you :)
I'm Sri lankan university student as well, Please provide me more information on this job and I am ready to get started with your feed back every moment.