Beamer presentation PDF resolution

[Giovanni]

  mercoledì 17 giugno 2020, 11:04, Rich Shepard:

> On Wed, 17 Jun 2020, Giovanni wrote:
> 
> > Use "aspectratio=169" in beamer options  
> 
> Giovanni,
> 
> Where in the Settings should this go? It doesn't work in class
> options -> Custom nor in Locay Layout (cannot be validated.)

It should go in Class Options -> Custom
Without quote, btw.
In the source view it should be like this:
\documentclass[italian,aspectratio=169]{beamer}

Regards,
G.