Step 1: After logging in to the squirrelmail on the home screen, Click on ‘Options’.
Step 2: Click on ‘Display Preferences’.
Step 3: Click on ‘Theme’ to show the drop down menu, and then you can select the new theme here.
Step 4: There are more display options that we can modify. Scroll down and take a look at all the available options.
Step 5: After finishing, Click on ‘Submit’.
Step 6: Click on ‘Refresh Page’ to view the new theme we selected.
Step 7: After clicking on the refresh link, you can see the theme has changed.
Step 8: Now change it back to the original theme, Click on ‘Display Preferences’.
Step 9: Click on the theme and change the theme.
Step 10: Click on ‘Submit’.
Step 11: After clicking on submit, Click on ‘Refresh Page’ to see the theme has changed.
Here the theme has been changed. Now you know how to modify Display Preferences in squirrelmail.