Yahoo Mail look has changed since yesterday (this morning)
I had done much in the last few days in the 'original interface', did much cleanup and reorganization of my folders, sorted through email and organized, deleted very much from past history.
This morning I could see this first thing when I opened Yahoo mail. After a bit went to review and compose me mail. Interface was different (with a dark background) and none of this was available and all email and folders I had organized had disappeared.
I am at a loss. There was so much I was working on and some historical email and information is now gone. How do I recover and become able to see all my important work?

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Hi Patrick, very sorry to hear! Definitely an issue for our Customer Care team. They help with account or sign in issues. Contact them at help.yahoo.com. Thanks!
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Patrick Mckay commented
Can anyone help? Please?