UNIX -> send data as excel in seperate cells

Shell Programming and Scripting
1

Hi

I have a data file in UNIX as follows. I need to send this file in Mail as excel format. but the problem i face is i get the data all in single cells per row. what can i do to get the data in seperate cells.

File -> attachment.xls

data data data data
data1 data1 data1 data1
data data data data

I use the following command

uuencode attachment.xls attachment.xls|mailx -s "Attachment" vj8436@att.com

2

The data in attachment .xls are seperated by tab spaces.