Formatting won't help.
You could put each of the numbers in a separate cell (say B1:E1) and put a
formula like this in A1:
=text(b1,"000.")&text(c1,"000.")&text(d1,"000.")&text(e1,"000")
> How would I format a cell in Excel 2003 that will show any IP address as four
> groups of three numbers separated by periods?
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>
> Thanks in advance.

Signature
Dave Peterson
David McRitchie - 28 Sep 2007 02:30 GMT
Several solutions at
Sorting TCP/IP Addresses, and the like
http://www.mvps.org/dmcritchie/excel/sorttcp.htm
and this type of numbering also applies to indexing in an outline
numbering structure (Table of Contents).

Signature
HTH,
David McRitchie, Microsoft MVP -- Excel
My Excel Pages: http://www.mvps.org/dmcritchie/excel/excel.htm
> Formatting won't help.
>
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>>
>> Thanks in advance.