Using the Aptos font in Signature 365 - Signature 365

You wish to use the Aptos font introduced by Microsoft within your Signature 365 signatures, but the font does not render in a browser window.

Microsoft introduced the Aptos font as the default font for Office applications in 2024, however the font is not supported by default within web browsers, and by extension, Outlook on the web (OWA).

Note

The Aptos font must be installed on a device for this to render. Devices without the Aptos font installed will fall back to the Calibri default font.This must also be installed for the receiving party to render as the Aptos font.

To use this font in your Signature 365 signatures, you must install the Aptos font on your Windows devices.

Aptos can be downloaded from the following Microsoft link:

Download Microsoft Aptos font

Once you have the font, the following article details how to install the font on your devices, it is also possible to deploy fonts to an organisation using GPO or powershell.

Add a font - Microsoft Support

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Enable the Outlook mobile add-in in Microsoft 365 GCC environments by changing the required Exchange Online PowerShell setting.