How do I change the default font and size of messages in Outlook?

To change the default font in new email messages, do the following:

  1. Select File > Options

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  2. Click Mail > Stationery and Fonts...

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  3. Under New mail messages, select Font...

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  4. Here you can, among other things, change the font and size

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  5. Do the same for Replying and forwarding messages.

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