How to change the font size on your Android device, or zoom in the display to make everything larger

You can change the font size on your Android phone or tablet by heading to your device's Accessibility menu.

How to change the font size in Signal for your display and messages on a computer or mobile device

You can change your font size in Signal on the secure-messaging platform's desktop, Android, and iPhone apps.
Android Authority

How to change the default font type and size in Outlook

Microsoft Outlook is one of the best Android email apps around. It has some great fonts at its disposal, and maybe you don’t like the one set by default. If you find yourself in this position, here’s ...