When you're done and your message is ready to go, click Send.To add an attachment, click Insert at the top of the new message screen and browse to the file you want to attach.In the future, the name will be cached so it will resolve quickly. The first time you enter a particular person's name, Outlook on the web searches for that person's address. To add recipients, you can type the name of anyone who is in your contacts folder or organization's address list, or you can type the email address in the To or cc field.

A new message form will appear in the reading pane.

Click New mail icon above the folder list.

Reading pane is where you can view the content or respond to the selected message.

In addition to the filters, you'll see the name of the folder you're viewing and the view that you've selected. At the top of the list view are filters that you can click to quickly find messages that are unread, that include your name in the To or the Cc line, or that have been flagged. When a conversation is selected, you can delete it, add a flag, or add a category by clicking the icons. A conversation can have one or more messages. Each entry in the list view has additional information, such as how many unread messages there are in a conversation, or if there's an attachment, flag, or category associated with any messages in the conversation.

The message list is a list of the messages in the current folder or search result.

You can expand and collapse folders in this view by clicking the triangle icons next to the folder names. You can collapse this pane by clicking the folder icon at the top. It may include other folders, such as Favorites and archive folders.

Use the folder list to traverse your folder structure. The Search mail and people area allows you to search for specific messages. Search mail and people and folder list.Create a new message by clicking New mail icon.Open the app launcher tool in the top left of your Outlook on the web window and select Outlook as shown below.Note: All the instructions below assume you are within the 'Mail' application.

Microsoft outlook live inbox