How to setup startup company and initial page in Dynamics 365?

you can setup startup company and initial page in Dynamics 365 per user.

for example , if you need user A startup with company X and user B startup company y 

just go to system administration /users /users

click users page  then select and edit user

click user option

click preference tab and select company startup

you can select initial page also

  close your browser and open dynamics again

as you see startup for company US01 with page system administration


Thanks