Applies ToOutlook for Microsoft 365 Outlook for Microsoft 365 for Mac Outlook 2024 for Mac Outlook 2021 Outlook 2021 for Mac Outlook 2019 Outlook 2016
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When you send an email to a broad distribution, make sure it’s accessible to people with limited or no vision.

Set HTML as the default message format

  1. Select File > Options > Mail.

  2. Under Compose messages, set Compose messages in this format to HTML.

Change an individual message to HTML format

  • In the message that you’re composing, select Format Text > HTML.

Choose fonts carefully

  • Use simple, sans serif fonts, which don’t use decorative details and are typically drawn with consistent line widths. Examples of sans serif fonts include:

    • Arial

    • Calibri

    • Segoe

    • Franklin Gothic Book

  • Avoid italics, fancy script, or decorative fonts with curly edges.

  • Use a font size of 12 points or larger.

  • Use a font color that contrasts with the background.

Set the default font for all messages

  1. Select File > Options > Mail.

  2. Under Compose messages, select Stationery and Fonts > Personal Stationery.

  3. For New mail messages, select Font, set your default font, and then click OK.

Change the font in an individual message

  • In a new, blank message, select Message and then change the Font, Font Size, Font Color, and other attributes.

  • To change a font for existing text, select the text, select Message, and then change the font.

Create an accessible signature

  1. Select File > Options > Mail.

  2. Under Compose messages, select Signatures.

  3. Select a signature to edit, or create a new one.

  4. Select the text to format, and apply an accessible font, size, and color.

  5. To add an image to the signature, select where you want the image to be positioned and then select Insert Picture. Browse to find the image, and then select Insert.

  6. To add alt text to the image, right-click the image and then select Picture.

  7. Select Alt Text, add text that describes the image in your signature, and then select OK.

Set an accessible email background or stationery

  1. Select File > Options > Mail.

  2. Under Compose messages, select Stationery and Fonts > Themes.

  3. Select a theme, and then select OK.

    The most accessible themes have strong color contrast but no background images or lines to interfere with message text.

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