This is a powerful method, but is very limited because the program only allows you to reuse only the slides that have the option set in the PowerPoint dialog box. Here's how: Go to the presenters› icon in the ribbon Go to options› Select reuse slides› and set it to enabled› In Step #5, change the title of every slide, including those that don't have the reuse slides› option. How to Merge PowerPoint Documents When the slides have different names, you can also merge them by simply changing the show Slide names› setting to on›. How to Merge PowerPoint Presentations, Excel, PowerPoint — Blogger Jun 4, 2023 — A lot of experts recommend you do the following with PowerPoint : -Copy, -Paste, -Move, -Paste on the same screen. Unfortunately, this method still doesn't make it that easy to do. Here are the other methods: -Use one spreadsheet with both Excel and PowerPoint. —Use Power Query to automatically do the margin/merging. —Use a spreadsheet, like Google Sheets as an example (which, as they say, is “for people who don't like Excel”). —Put them in Excel, and merge manually to your desired destination — not everyone wants to manually import Excel and PowerPoint files to merge them. If you have a computer with two or more computers and a single slide viewer, then this is the way to go. However, in my experience, two-computer setups simply do not work as well for this method. If you have one computer, then just merge the PowerPoint documents one-by-one, not both. I have used the Microsoft PowerPoint Web App Builder for this method. It was great, but the time taken to actually configure PowerPoint Web App Builder to do the actual merging was not as short as the time of manually importing the files into Excel. Meshing a PowerPoint file, how it looks like in PowerPoint 2017? Merging a PowerPoint file, how it looks like in PowerPoint 2017? · 1. In PowerPoint 2017, if the file name is different on the left side of the slide, then it can be merged on that slide using the emerge slides› option, without any need for the user to make a change to the title of the slide.