Here's how to change all three language settings in PowerPoint.
None of these options affects the others, so you can have different languages for edits, slide text, and display. So let us see How to Change Language in Microsoft Word and Office. On a Mac, depending on the language, you may be asked to add input sources. In this video I will Show How to Change Display Language in Microsoft Office. Lastly, you change the display language on PowerPoint by altering your operating system's language setting. This feature allows you to highlight entire text boxes or individual words and transform your presentation text any of the languages PowerPoint offers. You can also select 'Translate…' to use the Translator tool on text in real-time, though Microsoft Office notes that this feature is only available for users with an Office 365 subscription, Office 2019 for Mac or Windows. For Linux users, this represents the best available option for connecting Office 365 Exchange Online aside from the Outlook Web App.
This may prove particularly helpful if you've been sent a slideshow to edit that's written in another language. A variant of the Evolution email client for Linux is available which utilizes the Exchange-native Exchange Web Services (EWS) API to access and manage Exchange mailbox content, including Calendar data. You can change the editing language, which tells PowerPoint how to edit text as you type in your preferred language.
If you want to change the language in PowerPoint, the presentation program offers you three different options depending on what you need.