Excel thinks it is.

Tools|Share workbook

But there are lots of things that can't be done with shared workbooks.

And there are lots of people who don't trust shared workbooks.

You may want to consider using an application that's made for multiple
simultaneous updating -- a real database program (Access???).



JDC wrote:

How feasible is it to share an Excel Worksheet with multiple users that is in
a constant dynamic state? The worksheet is used for scheduling and is
changed constantly through out the day. Is Excel capable of handling such
dynamic changes by multiple users?

--

Dave Peterson