Sub SelectSameCellOnAllSheets()
' Defines variables
Dim Rng As Range
On Error Resume Next
' Sets Rng as the cell selected for the input box
Set Rng = Application.InputBox( _
"Please select desired range", _
"Select Range", , Type:=8)
' If Rng value is nothing then...
If Rng Is Nothing Then
' Display an error to that effect
MsgBox "No cell was selected.", vbOKOnly, "Attention!"
' Exit the macro early
Exit Sub
' Else if Rng is not nothing then...
Else
' Select all sheets
ActiveWorkbook.Sheets.Select
' Select Rng
Rng.Select
' Re-select the main active sheet
ActiveSheet.Select
End If
End Sub