you cannot currently change the font or size of note text directly from within the sticky notes app. When sticky notes is open, right click its icon in the taskbar, and then click pin to taskbar. it will change the font size of all applications from the present 100% to 150%, which also will affect sticky notes. to change sticky notes fonts, attend the instrument panel by pressing windows i key together or from the beginning > type in search bar > instrument panel. to make the font size bigger, move the slider to the right. moving it to the left will reduce the font size.
move the position of the font size slider to change the font size. To change font size for sticky notes in windows 10, do the following. How To Change The Font Size In Sticky Notes Windows 10