When you launch PowerPoint 2016 by default it shows list of presentation templates as shown below.
But most of the time if you are planning to use only blank presentation then you can hide this templates screen by following the below mentioned steps.
Step 1: Launch PowerPoint 2016 and open a new or existing presentation.
Step 2: Click File menu and choose options from the list.
Step 3: In the General Options, navigate to Start up options section. Then make sure to un mark the check box with caption as “Show the Start screen when this application starts”.
Step 4: Click OK button to confirm and save the changes.
By this way PowerPoint 2016 users can make the application to start with Blank presentation.