Fix: Dropbox/Mega smart sync icons not showing on MacOS

Make sure Dropbox or MegaSync Desktop app is running before applying this fix.

Please navigate to System Preferences --> Extensions --> Finder Extensions and then disable and reenable the Dropbox/Mega finder extension as shown below.

Enable MEGA Finder Sync extension
  1. Reboot your computer to apply changes.

MEGASync Smart Sync Icons

References: