This was able to combine two pdfs in a folder into one pdf, but unable to combine more than this.

import arcpy, os

# Set the workspace.
arcpy.env.workspace = r"C:\Output"

#Set file name and remove if it already exists
pdfPath = r"C:\Output\Map.pdf"
if os.path.exists(pdfPath):

# List all of the pdf files in the output folder.
# pdfList is a Python List returned from the ListFiles function.
pdfList = arcpy.ListFiles("*.pdf")

#Create the file and append pages
pdfDoc = arcpy.mp.PDFDocumentCreate(pdfPath)

for f in pdfList:


del pdfDoc

Error I received

  • 1
    What's the error? appendPages for a PDF should do any number of PDFs into a single document. There isn't a limit of 2. – KHibma Jun 24 '19 at 16:11
  • Please always provide errors as formatted text rather than pictures. – PolyGeo Jun 24 '19 at 18:51

pdfDoc.appendPages doesn't know which folder to look in for the indicated PDF.

Try this:

import os
for f in pdfList:
    pdfDoc.appendPages(os.path.join (r"C:\Output", f))  

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