3 Ways | How to Combine PowerPoints into One PDF in 2025

PowerPoints are commonly used for making a presentation in business, school, and other places. However, the only annoying part of the document is that it can be modified by others easily. That could be the reason you want to convert it to PDF. When you have several PPTs, you can actually merge them into one PDF file. 

Here, this post introduces three methods on how to combine PowerPoints into one PDF with different PDF editing software. You can look at them one by one and choose the suitable one. 

• Part 1. How to Combine PPTs into One PDF via EaseUS PDF Editor
• Part 2. How to Combine PowerPoints into One PDF via Adobe Acrobat Pro DC
• Part 3. How to Merge PowerPoints into One PDF with iLovePDF

How to Combine PPTs into One PDF via EaseUS PDF Editor

If you want to do something about PDF, try practical PDF editing software like EaseUS PDF Editor. It can combine PDF and images files, crop PDF pages, reduce the size of PDF files, secure the PDF, etc. This tool basically meets everything you want to do with PDFs. It's an all-in-one PDF editor and converter on Windows PC. 

When using this software to join PPT files into one PDF, you need to convert PPTs to PDFs at first. It's not a complex method as it ensures the quality of your files. Without changing formatting, the PPTs are converted to PDF in a few minutes!

Main Features:

• Combine PNG files into one PDF
• Merge PDFs into one single file easily
• Convert PDF to JPG on Windows 10
• Crop, compress, split, and search the PDF
• Merge PDF and images files together

Now, with no registration, try this PDF editor on Windows PC!

Here is a list of steps for combining PPT into one PDF:

Step 1. Launch EaseUS PDF Editor and click "Tools". Then, choose "Combine PDF" under "Edit & Review".

Step 2. Select the first file you want to combine. After that, click "Add file(s)" to add other files you want to combine. The files could be PDF, Office document, and image files. Then, choose the "Output folder" and click "Merge" to start.

Step 3. When the process is finished, you will be need to the combined PDF file.

How to Combine PowerPoints into One PDF via Adobe Acrobat Pro DC

If you know where PDFs come from, you know Adobe Acrobat for sure. You can achieve almost all things about PDF modification within this functional and old PDF editing software. Merging files is one of its stunning functions. You are allowed to join PDF, Word, Excel, PowerPoint, media files, and even web pages. 

Also, Adobe allows you to preview, order, and delete the PDF pages as you like. After the combination of the files, you can apply its "Compress" function to reduce the size of the file. Overall, it's powerful. However, the price is not low. 

Features:

• Merge Word, Excel, PPT, and PDF into one file
• Flatten a PDF in Adobe Acrobat
• Combine, compress, crop, and rotate the PDF

Join PowerPoints into one PDF, using Adobe Acrobat:

Step 1. Download Adobe Acrobat on the desktop. Then, click "Tools" > "Combine Files". From the above side, there is a toolbar. You can import PPTs by clicking the "Add Files" option. 

Step 2. Once you have imported the PPTs, Adobe allows you to rearrange, preview, expand, and delete pages. Meanwhile, if you click "Options", you can choose the page size, including smaller file size, default file size, and larger file size.

Step 3. Once done, click the "OK" > "Combine" option to start merging PPTs into one PDF. 

How to Merge PowerPoints into One PDF with iLovePDF

Sometimes, you want the PPT to be away from modification by others. Here, you can use services to convert it to PDF. PDF is also the desired format to be viewed when presenting. If you want to quickly join PPTs into one PDF, iLovePDF is a recommended choice. 

Unlike other desktop software, iLovePDF is an online service that allows you to use it without installation. 

Features:

• Convert JPG, Word, Excel, PPT, and HTML to PDF
• Merge, split, compress, optimize, and secure the PDF
• Add watermark to PDF in a simple clicks

Join PowerPoints into one PDF online, using iLovePDF:

Step 1. Open iLovePDF with your browser on Windows and Mac, and then click "Select POWERPOINT files" to import the PPTs. Or you can choose to drop and drag PPTs into the web page. 

Step 2. Once you have finished importing all PPTs, tap "Convert to PDF" from the right-bottom side. 

Step 3. Wait for a while, and you can download the combined PDF to your computer. 

Conclusion

This post introduces three methods to combine PPTs into one single PDF file. Believe that you may find one valid way. If you want to use powerful functions, Adobe is your choice. If you want to convert it quickly, online services like iLovePDF could be your choice. For common usage, EaseUS PDF Editor is a must-try!

FAQs About How to Combine PowerPoints into One PDF

Some related issues are gathered from the public. Don't skip this part if you want to know more information. 

1. How do I combine multiple PowerPoint presentations online?

First of all, make sure you have an internet connection on your devices. Then, find an online PowerPoint merge like iLovePDF. Below are three simple steps to combine different PPT files into one file. 

1. Open your browser and find an online PPT merge.

2. Import the PPT files by clicking the "Import" button, or you can drag the files into the web page.

3. Once all files are uploaded, you need to click "Convert". Then, you will get the combined PPT file online. 

2. How do you merge slides in PowerPoint 2010?

You can use the copy and paste method to merge slides in PPT 2010. The latest version of PPT allows you to apply the "Reuse Slides" method to combine slides. To join all PowerPoint slides, you need to right-click above the slides and choose the "Copy" option to copy the slides. Later, open the PPT file you want to paste your slides into.

Right click your mouse above the right side bar and select the "Use Destination Theme" option.