How to Combine PowerPoint Presentations into One

Open the Main PowerPoint document that you will be adding/combining other PowerPoint documents too

Tip - start with the one that will be the last and work your way backward, as when you Merge them it will insert the new pages at the beginning of the document

1. Select Review

2. Click on Compare

3. Your File Explorer will open

4. Navigate to the PowerPoint document you want to combine

5. Click on that and hit Merge 

6. Save and Close the document

Complete the above steps for all of the individual PowerPoint documents you want to combine into the Main PowerPoint document