I thought I was updating my xbox live account, but accidentally updated my hotmail account - how do I get back to my old hotmail account?

I updated from [name]@Hotmail.com to [name]*** Email address is removed for privacy *** and now [name]@Hotmail.com does not seem to be available to change back to!

My hotmail contact info has been drastically reduced.  Can I retrieve the details I had entered for contacts like snail mail addresses, birthdays, etc. or should I just go back to a paper notebook like my grandmother kept?

I have had trouble for two days with trying to read my hotmail e mails and trouble getting into them now I have to find out

how to get my e mails put back to  my Hotmail address.I am a 76 year old lady who is abit shakey and sometimes have a job

getting on with it but I  am house bound and my way of keeping contact Thank you J Weir

My Mom is 87 and uses the computer daily.  She doesn't like (nor do I) the new Outlook style.  How can I change us both back to the old style on Hotmail? 

 

For seniors, changes such as these are not helpful......

I can sign in to hotmail and i receive emails but I cannot open the emails or do anythign else...please help!!
I am losing entries in my hotmail calendar. I am using chrome, downloaded  chrome update, Cleared the browsing history. Still entries missing. Can you  help?
My font has been small, but last time I signed in, it's so tiny it's slmost unreadable.  I've tried the tools icon, etc., but can't find a fix.  Does anyone have a solution for me?
TIA
Lately, my hotmail shows upcoming birthdays of people in my address book. How can I turn this feature off?