You need to get your data source into an Excel spreadsheet and then add
a column of sequential numbers, and in the adjoining column enter the
following formula (which in this case assumes that the sequential
numbers are in column A)

=IF(MOD(A1,2)=1,A1+1,A1-1)

When you copy that down, you will have the following two columns of numbers

1 2
2 1
3 4
4 3
5 6
6 5
7 8
8 7

etc.

You need to use copypaste special values, to convert the formula to values,
then sort by the second column and use the spreadsheet in that format to
merge the second side.



--
Hope this helps.

Please reply to the newsgroup unless you wish to avail yourself of my
services on a paid consulting basis.

Doug Robbins - Word MVP

"Earlene" wrote in message
...
I have a postcard template and need to mail merge the addresses on the
front
and and individualized message on the back. We cannot separate the
postcards
and print them individually; they have to remain 8 1/2 x 11.