Hi Rob

>> Went to original & binned a stack of messages, plus a load of attachments
>> that I had saved to disk as well.
>> 
>> Size of new message file - exactly the same as the old one, 295Mb, which is
>> why I am trying to do something about it!
>> 
>> Can some one explain this one.
>
>You need to rebuild the mail database. Hold down the option key while
>launching OE.

That did it, just saved myself 150Mb of space. Even doing that with the old
file with nothing deleted still compressed it & reduced to 165Mb from 295Mb
- obviously all the messages & stuff I have deleted over the years.

Looks open with option key should be done on a regular basis.

Many thanks

Angus