You forgot to add TYPE SDF.

append from sending.txt TYPE SDF

>My brother sends me information as below:
>
> select sending1.dbf
> copy to sending.txt type SDF
>
> Then sending.txt is emailed to me
>
>when .txt arrives here
>
> select sending2.dbf
> append from sending.txt
>
> Problem: although sending1.dbf and sending2.dbf have the same structure, files contents become
> different (columns does not match and does not aligned)
>
>He can not send sending1.dbf directly for me, because I want to skip the memo field
>
>Moses