You'll be asked about which Presentation you'd like to merge. Do not delete the previous presentation. Add slides from another slide from the PowerPoint presentation. Click the + Add additional slides button. • You'll be asked about which PowerPoint Presentation you'd like to merge. Do not delete the first presentation. Add slides from other pane into the same presentation. Click the + Add additional slides button. • You'll be asked about which PowerPoint Presentation you'd like to merge. Do not delete the other slide. How to Merge Multiple Presentations into One with PowerPoint Step 1: From the Presenter menu at the top of the screen, click the Merge button that appears at the top of the list of presentations. How to Merge Multiple Presentations into One How to Merge Multiple Presentations into One with PowerPoint YouTube Step 1: Click the merge button. In the PowerPoint file that opens in the Merged Presentations window, there is an option to merge slides from all the separate presentations. You can drag that option from one presentation into another. Merge slides from all separate presentations. Step 2: When the option to merge pane contents appears, click the + Add slides button. Step 3: Click the Merge button on the Merged Presentations window. How to Merge Multiple Presentations into One Step 1: You can delete all slides from an existing presentation by clicking the Delete button that appears. Step 2: Click the slide or page from which you wish to add slides. Remove all slides from the selected presentation and delete all the slides from the presentation as well. Create a Presentation with Multiple Slides from Another File Create a Presentation with Multiple Slides from Another PDF Step 1: From the Presenter menu at the top of the screen, click the Merge button that appears at the top of the list of presentations. Step 2: Click the Merge button from the Mixed Presentations Step 3: Select the file for which you'd like to merge the slides. Step 4: Click the Merge button on the Mixed Presentations window.