DChat in Dmail DChat Settings: How to Customize Font Size Estimated reading: 1 minute 58 views Step 1: Open DChat and click the Settings icon at bottom left. Step2: – The pop-up window will appear like this as shown below in the screenshot Step 3: – click on “all the chat settings” Step 4: – Click on the drop done arrow of “Font size”Select the font size according to your choice (small, medium, large and extra-large) Step 5: – Click on ” Save changes” at the bottom right corner, your settings will be updated.