To write an email in Outlook 2016 in Windows 7,
  • Open your Outlook 2016.
         
  • Click New Email at the top left. This will open a new email window.
         
  • Your email address will appear next to "From". Enter the email address of your recipient next to "To...". If you want to copy your email to other recipients, enter their email addresses next to "Cc...". Enter the topic of your email to the right of "Subject" and then begin to write your email message.
         
  • To attach a file, please click the "Attach File" icon on top. Locate the file you want to attach.
         
  • After finishing up editing your message, please click Sent to send out your email.