Which operating system are you using? Which programs are you using when the "Edit" options are greyed out? What exactly are you doing when you see the issue?

Greyed out "cut, copy, and paste" options will occur if no text is identified for the operation. In order to "cut or copy", you'll need to highlight text first.. IN order to "paste", you'll need to have "cut or copied" already.. If you've done none of those, then it's normal for them to be greyed out..

Hope this helps and let us know more.

Grif