Tag Info

New answers tagged

0

Please note that Microsoft Office IRM is not intended to secure a document. It's intended to manage rights, but does not use strong encryption and should not be exclusively used for sensitive documents (it's like a lock on a filing cabinet - you could pick it easily, but it's there to let you know you shouldn't). There is no feature currently in office that ...


1

This is exactly what Microsoft's IRM (Information Rights Management) product is designed to address. However, as pointed out by others, the file on its own cannot achieve what you are trying to do, so you will need some infrastructure, which MSFT calls the Rights Management Server (with the delightful irony of being Rich Stallman's initials). And this ...


1

It's impossible to protect some file for some time. Intrinsically, the file doesn't have any property that will allow it to know whether it's January, 1st, 2010 or 30-Feb-2050 (if February will have 30 days in 2050). What "could" know the time is the program opening it. In your case, Excel. But a program itself doesn't know about time either. It would need ...


2

A file is just a collection of bytes. It cannot do something to itself on its own. You need an access restricting application, or use what is available. Because it is an excel document, any weird solution you come up with can be circumvented just by saving it locally unprotected or copy pasting. But if you still want to at least try, even if it isn't ...



Top 50 recent answers are included