This method is preferable if you need to compose one or more pages of text at the beginning of each section or chapter in your PDF file.  You may as well take advantage of MS Word's navigation feature: Table of Contents.  Effectively, Word will automatically create the links to various parts of your PDF, instead of you having to manually create them in Acrobat.When combining files

into a PDF file, it's important to remember If you are importing images as well as text into the PDF via a .docx (MS Word) file, you can perform compression on the images using Word's tool, before bringing the Word file into your PDF.

Remember that Acrobat is not a content creation tool, so much as a document publishing tool.  The distinction is important, because you wish to create the outline or skeleton of your PDF file in Microsoft Word, and add it after you have assembled and arranged all the contents of your PDF file or document.  Since editing files in Acrobat is not efficient, you want to avoid having to make changes to the PDF once the skeleton, or table of contents, is developed and added to the PDF.  If you need to subsequently make lots of changes to the contents, organization, and the table of contents of your PDF document, you may find it's easier just to recompile your files into another PDF, rather than attempt to make changes to the table of contents of your existing PDF, within Acrobat.  

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First, start by compiling all the files or documents you want in the master PDF file or document.  It is best to add Start by adding these to a folder, or series arrangement of folders, on your hard drive.  This makes it easier to find what you needquick to add into the PDF, and to copy it all to backup or long-term storage.  You always want to keep these files separate, since you may need to rebuild them into a new, replacement PDF file later. 

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Add the skeleton file to your PDF file. Move the section-starter pages into their appropriate places within the document.  The links in the MS Word-built table of contents will be converted into Acrobat's method for handling navigation links, and should remain true to your section-starter pages, even when you move them around in the PDF document.  

Here's a tutorial showing how to do that.

(full screen)On the Organize Pages screen, I add the skeleton file to my combined PDF file.   

It is important that you have your required files in place and properly arranged in the PDF beforehand, so that you can create your section-starting pages, and their corresponding Table of Contents in the proper order in Word.  Having to move or edit these in Acrobat, after you've added the file there, is more complicated and inefficient.  

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As indicated in the video, if you plan to make extensive changes, it may not be worth modifying an existing file.  Instead, you might just compile another, and (re)build the table of contents and section-starting pages in MS Word.

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Resources

Return the Navigable PDF Guide Main Page

Adobe Acrobat's User Guide and Tutorials: https://helpx.adobe.com/support/acrobat.html

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