Changing Proofing Language for an Entire Presentation in PowerPoint

jahongir abdurahmonov 

I am an independent advisor and have investigated and tested this inquiry.

You can assign the Set Proofing Language to all text boxes on a page or to all slides at once in PowerPoint Desktop. 

• You must change the view to Outline.
  From the ribbon, Select View | Outline
  

From the left Outline navigation pane, complete the appropriate options below

Option 1: Individual Slide: Click on one slide, then press Ctrl + A to select all content on the page.

Option 2: Multiple slides: While holding down the Ctrl key, click on the preferred slides. For example, Slides 1 and 3. This method selects and deselects multiple objects and the content on the page.

Option 3: Entire presentation:  This time, select all slides by pressing Ctrl + A

• Now, you can set your proofing language.
  From the ribbon, select Review | Language | Set Proofing Language
  
• Choose your language
  

   

See the updated information below dated Feb 14, 2023: Re: Changing Proofing Language for an Entire Presentation in PowerPoint - Microsoft Community Hub

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Teresa

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