How to Split or Merge PDF Files Manually

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  • Published on
    December 20th, 2016
  • Updated on
    October 1, 2020
  • Read Time
    5 minutes
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Having large or multiple PDF files, both are difficult to manage. In this article, I will discuss about how to split PDF file into multiple smaller parts and merge multiple PDF files into a single file at anytime from anyplace without affecting the content and file structure.

Are you feeling panic due to unmanaged PDF files? If you have a large size PDF file, then can confront problem during opening and editing it on Adobe Reader. The process may consume a lot of time, freezes or may hang your system. Moreover, if your system contains multiple PDF files, i.e. 100 to 1000, then it leads to mishandling and data corruption issues. To deal with such kinds of issues, you need to deploy either PDF split or PDF merge method.

PDF stands for Portable Document Format and they are the great way to share and print large files safely over the internet. PDF documents are gradually turning into the de-facto transferring files online. Fundamentally, the essential use of PDF files is to share them without any particular software application, Operating System, or hardware. Initially, it was a restrictive format managed by the Adobe Systems. Since 2008, it has been utilized as an open standard for exchanging e-reports that contain content and images, among PC users. Without having a commonly-compatible environment, users can simply run the PDF files received by others.

Why Do We Need PDF Split and Merge Strategy?

It’s genuine that, users may have thousands of PDF documents its PC system. Some of them may be limited in size, or some of them may be extensive. Both these circumstances may make issues for PDF users. Let me share you how? Having countless documents, i.e. 100 to 1000, may bring about handling and management conflicts. As the documents are expansive in numbers, once in a while they can be lost on your system, or you may lose them because of unplanned deletion. Another circumstance is having oversized PDF files. During accessing or opening such substantial PDF report, it might consume maximum time, or some of the time your computer system may begin hanging at the time of opening the PDF record. Also, if a PDF file is oversized, it’ll take a considerable time while sending or downloading it.

Presently in case you’re confronting any of these circumstances, surely you’ll deal PDF administration issues. To defeat such administration issues, there are two ideal solutions split PDF into several parts and merge multiple PDF files. I should state that you’re sufficiently fortunate since you’ve reached to the ideal place. Here are the manual tricks through which PDF split or merge functions can be done successfully. Just follow the steps one by one for PDF Split and Merge tasks.

Adobe PDF Split or Merge Documents Using Manual Method:

1) PDF Split Method:

You can easily split large size PDF file into multiple parts. I had shared the manual technique that will guide you to split PDF into numerous parts. Firstly, download the Adobe Acrobat Pro, and then follow the steps shown below:

 Step 1: Open Adobe Acrobat Pro program.


Step 2: Click on File menu -> Select Open option, and choose a file you want to split.


Note: To know the selected file size, then Click on  View Menu -> Press on Details option.

Step 4: Now, Tap on Document menu -> Click on  Split Document… option.


Step 5: Now, a split document screen will pop up, choose the options and then Click on OK button. The options mentioned in the image are:

  • Number of pages: Select maximum pages per split.
  • File size: Split by maximum size.
  • Top level bookmarks: Set up bookmarks before using the option.

Note: 1) For Multiple parts division of PDF file:


2) Choose the files using Add Files option you want to split.


Step 6: Now, save the output document at your desired location -> Click on OK button.


2) PDF Merge Method:

If you have saved multiple PDF files on your computer system, then you can merge them into a consolidated file for easy administration. Like for PDF split process, you require the full version of Adobe Acrobat Pro, similarly, you need for PDF merge process. Initially, download the full version of Adobe Acrobat and then follow the procedure shown below:

1: Launch Adobe Acrobat Pro program.

2: Click on Tools menu -> Choose Combine files option.


3: Now, In  Add Files menu -> Select Add files option to add the list of file for the PDF merge process.


4: A screen will open in which all the selected files will display.


5: You can preview and rearrange their order as per your choice, you can also use Move Up and Move Down buttons.


6: Once the arrangement process is done, Click on Combine Files button.


7: In a few seconds the PDF merge process gets done. To save it, click on File menu -> Press on Save As button.

Limitations of PDF Split and Merge Manual Method:

  • In the manual method, you can’t use your corrupt files for PDF split or merge
  • Sometimes, duplicate files get merge or split in the process.
  • If you don’t have installed the full version of Adobe Acrobat Pro software, then you can’t split or merge PDF files.

In this above article, I discussed the procedure of how to Split and Merge PDF files using manual methods with screenshots. Unfortunately, if you don’t have Adobe Acrobat Pro full version or failed to perform the task correctly then don’t get upset! Still, you can do PDF merge or split process by using PDF Split or Merge tool for the quick and easy solution. It is a multi-functional utility that not only split oversized PDF into multiple files but also merges multiple PDF files into a single PDF file and also offers password facility to secure your PDF file from getting misused.

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