So one of my friend ask me if I know how to lock a document e.g word file or spreadsheet etc, so it can only be opened from that PC only (work purposes, not going to let any work to be 'take home' one). I've a lot of thought about that in the past but never really looking at it.
If any of you know the proprietary or free tools to do that, please let me know
Thanks!
If any of you know the proprietary or free tools to do that, please let me know

Thanks!