1.1. Select “File” → “Option” from the toolbar on the upper left.
1.2. Select “Trust Center” → “Trust Center Settings.”
1.3. Select “Email Security” and check “Read all standard mail in plain text.”
2.1. Select “File” → “Option” from the toolbar on the upper left.
2.2. Select “Trust Center” → “Trust Center Settings.”
2.3. Select “Automatic Download” and check “Don’t download pictures automatically in HTML email messages or RSS items.”
3.1. Select “File” → “Option” from the toolbar on the upper left.
3.2. Select “Trust Center” → “Trust Center Settings.”
3.3. Select “Attachment Handling” and check “Turn off attachment preview.”
4.1. Select “View” → “Change View” → “Layout” → “Reading Pane” → “Off.”