Once you've added the files, drag and drop them in the order you want them to appear in the final, merged document.
Click "Combine Files" to combine the files in the specified order.
Drag it into the main window under "Get Specified Finder Items." Use the default "Appending pages" radio button in the action box that opens.
Select "Open Finder Items" from the menu located just to the left of the main window.
Drag it into the main window under "Combine PDF pages." Leave the setting at "Default Application."Click on the "Run" button in the top-right corner of the window. Save it under the name you prefer in any location on your computer.
You can merge multiple PDF files into one document if, for instance, your scanner produced individual pages of a document while scanning, or you have multiple documents that would just work better as a single file.
Click "Add Files" and select the files you want to merge.Take advantage of the Combine Files tool in Adobe Acrobat XI to merge existing PDF files.If you don't have a copy of Acrobat, you can merge PDF files online for free using PDFMerge and Merge PDF.When you consolidate data, you are assembling data so that you can more easily update and aggregate as needed.For example, if you have an expense worksheet for each of your regional offices, you might use consolidation to roll these figures into a master corporate expense worksheet.