How to Combine PDF Files on Windows 11: A Comprehensive Guide

May 8, 2025 11 min read

Combining PDF files is a common need in today's digital world. Whether you're organizing documents, preparing reports, or simply trying to streamline your workflow, merging multiple PDFs into a single file can be incredibly useful. Windows 11, while a powerful operating system, lacks robust built-in PDF merging capabilities. This often leaves users searching for alternative solutions to achieve this task efficiently.

Merge Your PDFs Effortlessly with BreezePDF

Combine PDFs securely online, no downloads or signup required. Keep your documents private!

Combine PDFs Free Now →

While there are various methods available for combining PDFs, finding a solution that is both easy to use and secure can be challenging. That's where BreezePDF comes in. BreezePDF offers a simple and secure way to merge PDF files directly in your browser, without the need for any downloads or installations. It's a convenient solution for users who value simplicity and data privacy.

Other methods, such as online tools or third-party apps, may offer similar functionality, but often come with potential drawbacks. Online tools can raise security concerns regarding your sensitive data, while third-party apps can sometimes lead to software bloat and unnecessary system overhead. BreezePDF addresses these concerns by providing a 100% private and browser-based solution, ensuring your documents never leave your device.

II. Why Combine PDF Files?

There are numerous reasons why combining PDF files can be beneficial. One of the primary advantages is improved organization of your documents. Instead of having a scattered collection of individual PDF files, you can consolidate them into a single, well-structured document for easier access and management.

Combining PDFs also simplifies the process of sharing and sending information. Rather than attaching multiple files to an email or sharing them individually, you can send a single, comprehensive PDF document. This not only saves time but also reduces the risk of missing attachments or confusion on the recipient's end.

Furthermore, combining PDFs can make it easier to compress your files. A single, larger PDF file is often more efficiently compressed than multiple smaller files, which can be particularly useful when dealing with large documents or limited storage space.

Here are some specific examples of when combining PDFs is useful:

  • Financial documents for tax season: Compile all your tax-related documents into a single PDF for easy organization and submission.
  • Receipts for expense reports: Combine all your receipts for a specific expense report into one PDF for clear and concise record-keeping.
  • Pages of long projects: Merge individual chapters or sections of a long project into a single PDF document for seamless navigation and review.
  • Class or work notes: Combine notes from different lectures or meetings into a single PDF for comprehensive and easily accessible study materials.

III. Methods for Combining PDFs on Windows 11

Several methods are available for combining PDFs on Windows 11, each with its own set of advantages and disadvantages. These include online tools like BreezePDF and Adobe Acrobat, third-party applications like PDF Merger & Splitter, command-line tools like Ghostscript, and enterprise solutions like Microsoft Syntex with SharePoint/OneDrive. Each option caters to different user needs and technical expertise.

BreezePDF offers a user-friendly online solution that prioritizes security and ease of use. Adobe Acrobat, available both online and as a desktop application, provides a comprehensive suite of PDF tools, but may require a subscription for full access. Third-party apps can offer specific merging features, but might come with software bloat or security concerns.

Command-line tools like Ghostscript provide a powerful, albeit complex, method for merging PDFs, requiring technical expertise and familiarity with command-line interfaces. Microsoft Syntex, integrated with SharePoint/OneDrive, offers a collaborative solution for enterprise users, but requires specific licensing and infrastructure.

IV. Using BreezePDF to Combine PDFs (Step-by-Step Guide)

BreezePDF stands out as a particularly attractive option due to its ease of use, security, and accessibility. It provides a streamlined interface that makes combining PDFs a breeze, even for users with limited technical skills. With BreezePDF, your documents never leave your device, ensuring complete data privacy and security. BreezePDF is also accessible from any web browser, eliminating the need for software downloads or installations, making it incredibly convenient.

Here's a step-by-step guide on how to combine PDFs using BreezePDF:

  1. Accessing the BreezePDF website and the combine PDF tool: Simply navigate to the BreezePDF website in your web browser and locate the "Combine PDF" tool.
  2. Uploading multiple PDF files: Click on the upload area to select multiple PDF files from your computer. You can also drag and drop files directly into the upload area.
  3. Reordering the PDF files: Once the files are uploaded, you can easily reorder them by dragging and dropping them into the desired sequence. This ensures that the merged PDF is in the correct order.
  4. Merging the PDF files: Click the "Merge" button to initiate the merging process. BreezePDF will quickly combine the selected PDFs into a single document.
  5. Downloading the combined PDF file: Once the merging process is complete, you can download the combined PDF file to your computer. The downloaded file will contain all the merged PDFs in the order you specified.

V. Combining PDFs Using Adobe Acrobat (Online)

Adobe Acrobat online also offers a method for combining PDFs, although it may require an Adobe account for certain features. The online tool provides a web-based interface for uploading and merging PDF files. While it's a viable option, users should be aware of potential privacy concerns associated with uploading sensitive documents to an external server.

Here are the steps to combine PDFs using Adobe Acrobat online:

  1. Accessing the Adobe Acrobat online merge tool: Navigate to the Adobe Acrobat online website and locate the "Combine PDF" tool.
  2. Uploading PDF files: Upload the PDF files you want to merge.
  3. Rearranging file order: Rearrange the files into the desired order by dragging and dropping them.
  4. Merging files: Click the "Combine" button to merge the files.
  5. Downloading the combined file: Download the combined PDF file to your computer.

Keep in mind that you may need an Adobe account to access all features. Always consider privacy implications before using any online tool to merge sensitive PDF documents.

VI. Combining PDFs Using Adobe Acrobat (Desktop)

The desktop version of Adobe Acrobat provides a more feature-rich environment for combining PDFs. It offers greater control over the merging process and allows for more advanced editing options. However, it requires a paid subscription to Adobe Acrobat, which can be a significant investment for some users.

Here's how to combine PDFs using the Adobe Acrobat desktop application:

  1. Opening a PDF in Acrobat: Open any PDF file in Adobe Acrobat.
  2. Navigating to the "Combine Files" tool: Go to the "Tools" tab and select "Combine Files."
  3. Adding PDF files: Add the PDF files you want to merge by clicking "Add Files."
  4. Arranging files: Arrange the files in the desired order by dragging and dropping them.
  5. Initiating the combine process: Click the "Combine" button to start the merging process.
  6. Saving the merged PDF: Save the merged PDF file to your computer.

VII. Combining PDFs with Third-Party Apps (PDF Merger & Splitter Example)

Several third-party apps available in the Microsoft Store offer PDF merging capabilities. These apps can provide a convenient way to combine PDFs, but it's essential to choose reputable apps and be cautious of potential software bloat or privacy concerns. The specific steps may vary depending on the app you choose.

Here's an example using PDF Merger & Splitter from the Microsoft Store:

  1. Downloading and installing the app: Download and install PDF Merger & Splitter from the Microsoft Store.
  2. Launching the app and selecting "Merge PDF": Launch the app and select the "Merge PDF" option.
  3. Adding PDF files: Add the PDF files you want to merge.
  4. Reordering, previewing, and removing files: Reorder the files, preview them, and remove any unwanted files.
  5. Merging and saving the PDF: Merge the files and save the combined PDF.

Always exercise caution when installing third-party apps and ensure you download them from reputable sources. Be sure to review their privacy policies.

VIII. Combining PDFs Using Command Prompt (Ghostscript)

For advanced users, the command prompt offers a powerful way to combine PDFs using Ghostscript. This method requires technical expertise and familiarity with command-line interfaces. While it provides a high degree of control, it can be complex and time-consuming for those unfamiliar with command-line tools.

Here's how to combine PDFs using Ghostscript:

  1. Downloading and installing Ghostscript: Download and install Ghostscript from its official website.
  2. Opening Command Prompt as administrator: Open Command Prompt as an administrator.
  3. Navigating to the PDF directory: Navigate to the directory containing the PDF files you want to merge.
  4. Using the `gswin64c` command with relevant parameters: Use the `gswin64c` command with the following parameters:
    • `-dBATCH`: Processes the files in batch mode.
    • `-dNOPAUSE`: Does not pause after each page.
    • `-q`: Quiet mode, suppresses output.
    • `-sDEVICE=pdfwrite`: Specifies the output device as PDF.
    • `-sOutputFile=output.pdf`: Specifies the output file name.
    Example command: `gswin64c -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=output.pdf input1.pdf input2.pdf input3.pdf`
  5. Locating the merged PDF: Locate the merged PDF file in the specified output directory.

This method is best suited for users with advanced technical skills. Exercise caution when using command-line tools.

IX. Combining PDFs Using Microsoft Syntex in SharePoint/OneDrive

Microsoft Syntex, in conjunction with SharePoint or OneDrive, offers another avenue for combining PDF files, particularly useful in collaborative, enterprise environments. This method, however, requires specific Microsoft licensing and integration with SharePoint or OneDrive.

To merge PDF files in SharePoint or OneDrive using Microsoft Syntex, follow these steps:

  1. Open a PDF file within SharePoint or OneDrive.
  2. Select "More Options" (represented by three dots: ...), and then choose the "Merge" option.
  3. Select the specific files you wish to combine.
  4. Save the combined PDF file.

Keep in mind that this method is highly dependent on your organization's Microsoft 365 setup and licensing.

X. Post-Merge PDF Management

After merging your PDF files, you might need to further manage the combined document. This could include splitting the merged PDF back into individual files or editing its contents. Online tools and Adobe Acrobat offer features for splitting and editing PDFs.

XI. Addressing Common Concerns

A common concern when combining PDFs is whether the formatting of the original files will be preserved. The good news is that most PDF merging tools, including BreezePDF, are designed to maintain the formatting of the source files. This ensures that your combined PDF looks consistent and professional.

Another concern is the safety of using online PDF merging tools. With BreezePDF, you can rest assured that your data is protected. BreezePDF operates entirely within your browser, meaning your documents never leave your device. This ensures complete data privacy and eliminates the risk of sensitive information being exposed to external servers. BreezePDF provides a secure and trustworthy solution for combining your PDF files.

XII. Benefits of Using BreezePDF

BreezePDF offers a range of compelling benefits for users looking to combine PDF files on Windows 11. Its ease of use and intuitive interface make it accessible to users of all skill levels. The drag-and-drop functionality and clear instructions simplify the merging process, ensuring a smooth and efficient experience. The intuitive interface is easy to navigate and understand, even for first-time users, ensuring that anyone can successfully merge their PDFs.

Security is a top priority with BreezePDF. By operating entirely within your browser, BreezePDF ensures that your documents never leave your device, protecting your sensitive data from unauthorized access. This private processing model ensures that all your data stays safe and secure throughout the merging process. There's no need to worry about your files being stored on external servers or exposed to potential security threats.

BreezePDF is also highly accessible, as it can be used from any web browser. This eliminates the need for software downloads or installations, making it incredibly convenient. You can access BreezePDF from any device with a web browser, whether it's a desktop computer, laptop, or tablet. This flexibility allows you to combine PDFs on the go, without being tied to a specific device or location.

Furthermore, BreezePDF offers potential integration with other BreezePDF tools, providing a comprehensive suite of PDF management capabilities. You can leverage other BreezePDF tools, such as editing, annotating, and e-signature features, to further enhance your PDF documents. This integrated approach simplifies your PDF workflow and provides a seamless experience for managing all your PDF needs. Consider exploring BreezePDF’s capabilities for creating fillable PDFs, or signing them using a guide on creating fillable stamps. These tools make BreezePDF a one-stop solution for all your PDF-related tasks.

XIII. Conclusion

In conclusion, combining PDF files on Windows 11 can be achieved through various methods, each with its own advantages and disadvantages. From online tools like BreezePDF and Adobe Acrobat to third-party apps and command-line interfaces, there's a solution to fit every user's needs and technical expertise. However, it’s important to consider the ease of use, security, and accessibility when making your choice.

For a simple and secure PDF merging experience, BreezePDF stands out as a top contender. Its intuitive interface, browser-based operation, and commitment to data privacy make it an ideal choice for users who value simplicity and security. There is no need to download anything to start creating and combining PDFs.

Try BreezePDF today for a seamless and secure PDF merging experience. Enjoy the convenience of combining your PDFs without compromising your data privacy.