Learn how to customize the default font, color, size in Microsoft Outlook desktop client. You can easily increase the size if it is too small.

We show you how to change the Font face, size, and color in Microsoft Access. The Office program offers several font styles, size options, colors, etc.

QUICK ANSWER To change the default font in Outlook on Windows, head to Settings > Mail > Compose and reply, then select your default font and size under Message format.