1.. Click the Microsoft Office Button , and then click Program Name
Options, where Program Name is the name of the program you are working in,
for example, Excel Options.
2.. Click Popular, and then select the Show Developer tab in the Ribbon
check box. (3rd item)
3. Open Developer Tab from Ribbon. Click Insert Button from Controls
Group. Select check box either from Form Controls or Activex Controls.
Regards,
Shailesh Shah
http://in.geocities.com/shahshaileshs/
(Excel Add-ins Page)
If You Can't Excel with Talent, Triumph with Effort.