Configure Long Lines to Wrap Automatically in Outlook

Pick at which character Outlook will wrap sentences

Long lines can be hard to read in emails, so it's always proper email etiquette to break the lines of your messages to something between 65 and 70 characters. Microsoft Outlook has a useful setting to set the line wrap to whatever number is needed. Here's how to adjust the character number at which a line break occurs in Outlook.

Instructions in this article apply to Outlook 2019, Outlook 2016, Outlook 2013, Outlook 2010, and Outlook for Microsoft 365.

Web mail message page
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How to Wrap Long Lines Automatically in Outlook

When you wrap long lines of text, the Outlook email client automatically breaks sentences away from their current lines to start on a new line. This shortens the length of all outgoing emails and is similar to narrowing the margins of the writing space.

  1. Open Outlook.

    Microsoft Outlook 2019 interface.
  2. Go to File.

    Screenshot of File window in Outlook
  3. Select Options.

    Selecting Options in Outlook.
  4. In Outlook Options, select Mail.

    Screenshot of Outlook Options with Mail selected
  5. Scroll to Message format.

    Message Format is highlighted in Outlook.
  6. In Automatically wrap text at character, enter a number to indicate where you want Outlook to wrap text. Remember to try to keep it between 65 to 70 characters.

    Screenshot of Message Format section with Wrap Text at Character box selected
  7. Select OK to apply the changes and close the window.

    Selecting OK to complete changes in Outlook Mail Options.

You may have to experiment with the number of characters to get your emails looking the way you want. If you find you need to change the number of characters, repeat the steps until you are satisfied.