it is the conversion of binary data to the text representation of binary
data, one hex byte takes one byte,

&6f

a single hex byte represented as text takes four bytes, adding a very large
overhead

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"E-Double" wrote in message
...
Okay, thanks - that explains it then. I expected that there would be some
additional increase due to overhead or the MIME conversion/encoding, but
just
was surprised that it would be upwards of 40%.

Thanks again,

e.



"Bruce Hagen" wrote:

The size increases some 35~40% due to the encoding needed to send it. If
you
are both using OE, you could try setting "Break apart messages" in Tools
|
Accounts | Mail | Properties | Advanced.
--
Bruce Hagen
MS-MVP Outlook Express
Imperial Beach, CA


"E-Double" wrote in message
...
When sending an email with basically no text but includes an Excel
attachment
that is 15MB in size, how and why does the size of the outgoing OE6
email
increase to 21MB? I assume that there is some type of conversion to
MIME
that
OE 6 does, but how does the size of the email increase by almost 50%?
It
is
causing the emails to get rejected at the recipient's email server
because
the size exceeds their limit. I would have assumed that there was
some
overhead added to the email that included the headers, text, etc...
but I
have no idea how or why it would add over 6MB to an email with just an
Excel
attachment. TIA for any help on this one ...