If you're having problems with the Outlook.com beta, these solutions might help.
Change your settings
To change your settings, select .
Turn off Focused Inbox
Under Sort messages into Focused and Other, move the toggle to Off.
Show or hide the Reading pane
Under Inbox layout, choose to show or hide the reading pane.
Show newest messages at the top or bottom of the thread
Under Conversations, choose whether the newest messages should appear at the bottom or top of the thread.
Change your password
At the top right corner, select your name or account picture.
Select View account > Change password.
Attach an email to another email
In the message list, select the email you want to attach.
Drag the email into the message compose pane.
Position the mouse below the subject line and release it.
The email should be attached.
Find an attachment in a message in Conversation view
In the beta, the default mode for viewing messages is Conversation view. In this view, an email thread can include many items. If any item has an attachment associated with it, a paper clip icon appears next to that item in the message list.
To find the item with the attachment, scan the list of items in the thread. Look for the item with the paper clip next to it.
Leave the beta
At the top right corner, select the toggle next to Try the beta.