Increase the font size on your computer Open Gmail. Click Compose, located in the upper-left corner of the screen, underneath the Gmail logo. Open formatting options (A). Click the Size option (TT).

If pressing CTRL+ does not increase Font size in Windows Terminal, then it could be because of this main keyboard layout. Here's how to fix it!

How to increase the default font size If you like to write emails in large or huge text (the two sizes larger than Gmail's default normal), make the change in your settings.

First of all, use the Start menu or Search box to open the Windows Terminal app. It will open with the default profile set by you. After this, open its Settings page. Use Ctrl+, hotkey to open it.