How to configure the font size and color for replying in Outlook?
Let’s say you set the font size and font color when replying to a message. However, the font size and font color still appear as the default font when replying to other messages. Is there a way to change the default font size and font color, and apply them to all replying messages? Of course, yes! Here we will show you how to configure the default font size and font color for replying step by step.
Configure the default font size and color for replying in Outlook 2010 and 2013
Configure the default font size and color for replying in Outlook 2007
Configure the default font size and color for replying in Outlook 2010 and 2013
The first section will guide you to configure the default font size and font color for replying and forwarding messages in Microsoft Outlook 2010 and 2013 in detail.
Step 1: Click "File" > "Options".
Step 2: In the Outlook Options dialog box, click "Mail" in the left bar.
Step 3: Go to the "Compose messages" section, and click the "Stationery and Fonts" button.

Step 4: In the Signatures and Stationery dialog box, go to the "Replying or forwarding messages" section, and click the "Font" button. See the following screenshot:

Note: The "Font" button in the "Replying or forwarding messages" section will not be available if you apply a theme for messages and select "Use theme’s font".
If you want to apply a theme and configure font size and color for replying at the same time, go to the "Theme or stationery for new HTML e-mail message" section, and make sure that "Use theme’s font" is not selected in the "Font:" box.

Step 5: In the new Font dialog box:
- Click the "Font color:" box, and select a color for replying and forwarding messages.
- Click the "Size:" box, and select a suitable font size for replying and forwarding messages.

Step 6: Click the "OK" button in each dialog box to save the settings.
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Configure the default font size and color for replying in Outlook 2007
The second section will walk you through changing and configuring the default font size and font color for replying and forwarding messages in Microsoft Outlook 2007.
Step 1: Click "Tools" > "Options".
Step 2: In the Options dialog box, click the "Stationery and Fonts" button on the "Mail Format" tab.

Then you will enter the Signatures and Stationery dialog box. You can follow the same steps we talked about in Outlook 2010 and 2013 to configure the font color and font size for replying and forwarding messages.
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