If you have security concerns about reading HTML-formatted messages, you can have Outlook display messages that you open in plain text. However, reading messages in plain text doesn’t provide complete protection against all email message hazards.
- Click the File tab.
- Click Options.
- Click Trust Center, and then click Trust Center Settings.
- Click E-mail Security.
- Under Read as Plain Text, select the Read all standard mail in plain text check box.
To include messages signed with a digital signature, select the Read all digitally signed mail in plain text check box.
Note If you want to view a plain text message in its original format, click the InfoBar, and choose either Display as HTML or Display as Rich Text.
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