Code
-------------------
Answer = MsgBox("Do you want to continue ?", _
vbOKCancel, "My Title")
If Answer = vbOK Then ActiveWorkbook.FollowHyperlink Address:= _
"Q:\AR, Retail Support & Cash Management\Retail Support\VOUCHERS\New Vouchers\Live\Voucher Issue Spreadsheets to date\Corporate Voucher Issues to date.xls" _
, NewWindow:=False, AddHistory:=True
Sheets("Nav").Select
Range("A1").Select
Else
If Answer = vbCancel Then Exit Su