How do I get a list of 200 mail messages rather than 50 in the 'new' (stupid and unwanted) Yahoo mail?

I didn't want this new yahoomail but it has now been forced on me, however if I have to have it I'd like to be able to at least view mails the way I want to, the instructions say there is a way to change the default from 50 to 100 or 200, but they are wrong because the options aren't listed. Can someone give me a step by step way to change the default so I can at least get some control back on MY mail account.

Will W2013-07-08T21:30:21Z

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I wish this option is available also, but unfortunately I cannot find it. This is just one of many customizable options that I sorely miss in the new Yahoo mail after the forced switch today.