Yamaha DTXpress/DTXplorer/DTXtreme

Can anyone tell me if there is either of the following here?

1) an A - Z of topics covered in the past.

2) A way to down load all the past posts.

Obviously as of a few days ago, I now get these as they come in, but it would 
take hours I guess to sit and read all the old E-mails and to do this on line 
is costly and awkward.

Any suggestions?

Cheers

Graham