No such function to pre-select type of cell references.
Only F4 during or after entry as others have posted.
Or use macros to change a complete range of cells after entry.
Example macro.............
Sub Absolute()
Dim Cell As Range
For Each Cell In Selection
If Cell.HasFormula Then
Cell.Formula = Application.ConvertFormula _
(Cell.Formula, xlA1, xlA1, xlAbsolute)
'Or choose from below
'(Cell.Formula, xlA1, xlA1, xlAbsRowRelColumn)
'(Cell.Formula, xlA1, xlA1, xlRelRowAbsColumn)
'(Cell.Formula, xlA1, xlA1, xlRelative)
End If
Next
End Sub
Gord Dibben MS Excel MVP