I need the answer to this same question, on a file I created in Office 2003
at work and brought home to my home computer which is Vista and Office for
Vista (not sure what the year is...maybe 2007?) It's a Dell computer.

"Niek Otten" wrote:

ToolsOptionsGeneral tab, uncheck R1C1 Reference style

--
Kind regards,

Niek Otten
Microsoft MVP - Excel

"LM" wrote in message
...
On my spreadsheet (version 2003) the column header has changed to numbers.
Does anyone know how to change it back to letters?