- Open Registry editor using "Rededit" in the Run or Cortana (Windows 10)
- Navigate to Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\office\16.0\Lync
- Right Click on the right side window. select New--> DWORD (32-bit) Value, Name it "EnableAppearOffline" & Set "value data" to "1"
- Close the Registry editor and restart the machine
- Open Skype for business to see and use your newly added status option👇
Note: In Windows 10, sometimes, Lync Key is not available under Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\office\16.0\. Create one and then follow steps 2 & 3 to achieve the same result