Once an email message is imported into the repository, you can view it in read-only mode. You cannot edit it.
To open an email message for viewing:
Navigate to the email message, and select it.
Note: When displaying a list that includes email messages, you can choose to add additional column information pertinent to the email messages, such as the sender, and recipients. To add columns to a list, see Select the columns that appear in lists.
Select File > View.