By default, the platform does not have this option. You can use the following CSS code.

Please follow the steps below:

Go to WP dashboard > Appearance>customize. https://prnt.sc/yrxYC_HHb-93

Or if the WP admin toolbar is showing on the front end, you can click customize as shown on the screenshot: https://prnt.sc/Z2Z9HTMOUgt0

1. Go to Wordpress Admin > Appearance - Customize - Additional CSS

2. Append the following:

Please note this CSS code WILL NOT work if you add to Buddyboss - Theme Option - Custom CSS

.bb-icon-inbox:before {

    content: '\ee62';

}

.bb-icon-bell:before {

    content: '\edc7';

}

4. Save/Publish changes.

Please note that you need to change Unicode for the icon you wish to change.

You may check icon Unicode here: https://www.buddyboss.com/resources/font-cheatsheet/

Note: Any modifications are considered as custom work already. Know more about our Support policy here: https://www.buddyboss.com/support-policy/

Screenshots

Without code

https://prnt.sc/-xtZNcM9howU

With code

https://prnt.sc/Q6aTzw6oQwF1