Autosave located in up left
No matter if your activation is written as 2016 or even 2019... if you found this autosave feature then you are good to go.
The truth is, some say 16 and 365 license same... actually not, if you check the look of both version pretty similar, there many deceitful happiness "Finally I get office 365"
like 3D model
and Morph transition in powerpoint that unlucky office 16 users dont have