This usually happens when multiple worksheets are selected.
This function is useful if you want to set the page
properies the same for multiple sheets, or copy them as a
group. Check the colors of the tabs at the bottom, and
click one that is not selected. This should remove the
(group) item in your titlebar.

As to editting the document, I'm not sure.

-----Original Message-----
suddenly after working in excel the filename showed in the
top bar changed

Before it had the name "filename.xls"

Now it says "filename.xls [group]

and the funny part is that i cant edit my dokument any more..

What has happend here?
.