See Epinn's possible solution below.

"Anand vijay" wrote:

how do i do that with the help of cell

"JLatham" wrote:

Cannot be done in Excel with just a 'mouse-over'. Could be done with VBA
(macro) using Worksheet_SelectionChange() event. You would have to click on
a particular cell to make it come out (become visible).

"Anand vijay" wrote:

How do i Attach th text box on the right hand side corner of the sheet and
hide it their and when i take mouse their it comes out.