Change Gmail Icons To Text
Updated: Oct 25, 2018
Google has introduced a setting to change the top grey button icons that appear when an email is selected.
If you are not a fan of icons that appear at the top of Gmail when you select an email, you can change it to descriptive text.
Click the Gear icon then click Settings
In the General tab scroll down to Button labels and select Text
Save your settings and the icons on the buttons will be replaced by text