Disable email preview option

Conventionally, you must double click an email to open it and view its content.

The email preview option offered by most email software allows you to view the content of an email simply by selecting it. Although practical, this previewing has risks: an email may contain malicious code that runs once the email is viewed, thus compromising the computer, even if the recipient's intention was only to select and delete the email.

Disabling the preview options of the email software is therefore a good practice.

Outlook Express

  1. Click the View menu
  2. Click Layout…
  3. Uncheck the Show preview pane checkbox
  4. Click the OK button

Outlook 2003 et 2007

  1. Click the View menu
  2. Click Reading Pane
  3. Select Off

Thunderbird

  1. Press the F8 key on the keyboard
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