I thought this was a trick to get Windows users to nuke their system or something...
Nope, it actually opens LinkedIn.
"Ctrl+Shift+Alt+Win+W" opens Word in a browser
"Ctrl+Shift+Alt+Win+T" opens Teams in a browser
"Ctrl+Shift+Alt+Win+X" opens Excel in a browser
"Ctrl+Shift+Alt+Win+P" opens Powerpoint in a browser
"Ctrl+Shift+Alt+Win+O" opens ~~Outlook in a browser~~ the locally installed Outlook program
Classic Microsoft.