[SOLVED] Set Proofing language for (entire) Office (PowerPoint) file

[mandroid555]

Basically what the title says. For some reason powerpoint changes the proofing language in some sections. I want to set the same proofing language for the entire presentation.

 

[Ralston18]

Perhaps:

https://ampler.io/articles/change-p...ext=Click the 'Language' button to,Click 'Ok'