Pop out an email message in Outlook

If you're using the Preview pane to read your email, choose one of these options to open a message in its own window:

• In classic Outlook, in the message list, double-click an email message.

• When replying to a message, in the upper-right corner of Outlook, select   Pop Out.

If you're using the Reading pane to read your email, choose one of these options to open a message in its own window:

• In new Outlook​​​​​​​, in the message list: Double-click an email message.

• In the reading pane: Near the upper-right corner of the message pane, at the end of the action bar, select  More actions > View >  Open in new window.