User Guide Cancel

Combine or merge files into single PDF

  1. Acrobat User Guide
  2. Introduction to Acrobat
    1. Access Acrobat from desktop, mobile, web
    2. Introducing the new Acrobat experience
    3. What's new in Acrobat
    4. Keyboard shortcuts
    5. System Requirements
  3. Workspace
    1. Workspace basics
    2. Opening and viewing PDFs
      1. Opening PDFs
      2. Navigating PDF pages
      3. Viewing PDF preferences
      4. Adjusting PDF views
      5. Enable thumbnail preview of PDFs
      6. Display PDF in browser
    3. Working with online storage accounts
      1. Access files from Box
      2. Access files from Dropbox
      3. Access files from OneDrive
      4. Access files from SharePoint
      5. Access files from Google Drive
    4. Acrobat and macOS
    5. Acrobat notifications
    6. Grids, guides, and measurements in PDFs
    7. Asian, Cyrillic, and right-to-left text in PDFs
  4. Creating PDFs
    1. Overview of PDF creation
    2. Create PDFs with Acrobat
    3. Create PDFs with PDFMaker
    4. Using the Adobe PDF printer
    5. Converting web pages to PDF
    6. Creating PDFs with Acrobat Distiller
    7. Adobe PDF conversion settings
    8. PDF fonts
  5. Editing PDFs
    1. Edit text in PDFs
    2. Edit images or objects in a PDF
    3. Rotate, move, delete, and renumber PDF pages
    4. Edit scanned PDFs
    5. Enhance document photos captured using a mobile camera
    6. Optimizing PDFs
    7. PDF properties and metadata
    8. Links and attachments in PDFs
    9. PDF layers
    10. Page thumbnails and bookmarks in PDFs
    11. PDFs converted to web pages
    12. Setting up PDFs for a presentation
    13. PDF articles
    14. Geospatial PDFs
    15. Applying actions and scripts to PDFs
    16. Change the default font for adding text
    17. Delete pages from a PDF
  6. Scan and OCR
    1. Scan documents to PDF
    2. Enhance document photos
    3. Troubleshoot scanner issues when scanning using Acrobat
  7. Forms
    1. PDF forms basics
    2. Create a form from scratch in Acrobat
    3. Create and distribute PDF forms
    4. Fill in PDF forms
    5. PDF form field properties
    6. Fill and sign PDF forms
    7. Setting action buttons in PDF forms
    8. Publishing interactive PDF web forms
    9. PDF form field basics
    10. PDF barcode form fields
    11. Collect and manage PDF form data
    12. About forms tracker
    13. PDF forms help
    14. Send PDF forms to recipients using email or an internal server
  8. Combining files
    1. Combine or merge files into single PDF
    2. Rotate, move, delete, and renumber PDF pages
    3. Add headers, footers, and Bates numbering to PDFs
    4. Crop PDF pages
    5. Add watermarks to PDFs
    6. Add backgrounds to PDFs
    7. Working with component files in a PDF Portfolio
    8. Publish and share PDF Portfolios
    9. Overview of PDF Portfolios
    10. Create and customize PDF Portfolios
  9. Sharing, reviews, and commenting
    1. Share and track PDFs online
    2. Mark up text with edits
    3. Preparing for a PDF review
    4. Starting a PDF review
    5. Hosting shared reviews on SharePoint or Office 365 sites
    6. Participating in a PDF review
    7. Add comments to PDFs
    8. Adding a stamp to a PDF
    9. Approval workflows
    10. Managing comments | view, reply, print
    11. Importing and exporting comments
    12. Tracking and managing PDF reviews
  10. Saving and exporting PDFs
    1. Saving PDFs
    2. Convert PDF to Word
    3. Convert PDF to JPG
    4. Convert or export PDFs to other file formats
    5. File format options for PDF export
    6. Reusing PDF content
  11. Security
    1. Enhanced security setting for PDFs
    2. Securing PDFs with passwords
    3. Manage Digital IDs
    4. Securing PDFs with certificates
    5. Opening secured PDFs
    6. Removing sensitive content from PDFs
    7. Setting up security policies for PDFs
    8. Choosing a security method for PDFs
    9. Security warnings when a PDF opens
    10. Securing PDFs with Adobe Experience Manager
    11. Protected View feature for PDFs
    12. Overview of security in Acrobat and PDFs
    13. JavaScripts in PDFs as a security risk
    14. Attachments as security risks
    15. Allow or block links in PDFs
  12. Electronic signatures
    1. Sign PDF documents
    2. Capture your signature on mobile and use it everywhere
    3. Send documents for e-signatures
    4. Create a web form
    5. Request e-signatures in bulk
    6. Collect online payments
    7. Brand your account
    8. About certificate signatures
    9. Certificate-based signatures
    10. Validating digital signatures
    11. Adobe Approved Trust List
    12. Manage trusted identities
  13. Printing
    1. Basic PDF printing tasks
    2. Print Booklets and PDF Portfolios
    3. Advanced PDF print settings
    4. Print to PDF
    5. Printing color PDFs (Acrobat Pro)
    6. Printing PDFs in custom sizes
  14. Accessibility, tags, and reflow
    1. Create and verify PDF accessibility
    2. Accessibility features in PDFs
    3. Reading Order tool for PDFs
    4. Reading PDFs with reflow and accessibility features
    5. Edit document structure with the Content and Tags panels
    6. Creating accessible PDFs
    7. Cloud-based auto-tagging
  15. Searching and indexing
    1. Creating PDF indexes
    2. Searching PDFs
  16. Multimedia and 3D models
    1. Add audio, video, and interactive objects to PDFs
    2. Adding 3D models to PDFs (Acrobat Pro)
    3. Displaying 3D models in PDFs
    4. Interacting with 3D models
    5. Measuring 3D objects in PDFs
    6. Setting 3D views in PDFs
    7. Enable 3D content in PDF
    8. Adding multimedia to PDFs
    9. Commenting on 3D designs in PDFs
    10. Playing video, audio, and multimedia formats in PDFs
    11. Add comments to videos
  17. Print production tools (Acrobat Pro)
    1. Print production tools overview
    2. Printer marks and hairlines
    3. Previewing output
    4. Transparency flattening
    5. Color conversion and ink management
    6. Trapping color
  18. Preflight (Acrobat Pro)
    1. PDF/X-, PDF/A-, and PDF/E-compliant files
    2. Preflight profiles
    3. Advanced preflight inspections
    4. Preflight reports
    5. Viewing preflight results, objects, and resources
    6. Output intents in PDFs
    7. Correcting problem areas with the Preflight tool
    8. Automating document analysis with droplets or preflight actions
    9. Analyzing documents with the Preflight tool
    10. Additional checks in the Preflight tool
    11. Preflight libraries
    12. Preflight variables
  19. Color management
    1. Keeping colors consistent
    2. Color settings
    3. Color-managing documents
    4. Working with color profiles
    5. Understanding color management

Before you begin

We're rolling out a new, more intuitive product experience. If the screen shown here doesn’t match your product interface, select help for your current experience.

In the new experience, the tools appear on the left side of the screen.

Combine two or more files into a single PDF in the office or on the go. Drag and drop thumbnails to arrange pages in the right order from your computer or any web browser.

Adobe Acrobat deeplink

Try it in the app
Combine different file formats into a PDF in a few simple steps.

Create merged PDFs

Use the Combine Files tool to merge Word, Excel, PowerPoint, audio, or video files, web pages, or existing PDFs. Acrobat lets you preview and arrange the documents and pages before creating the file. You can delete unwanted pages and move individual pages from a document anywhere among the combined pages. Acrobat converts the pages of the various files into sequential pages of a single PDF.

  1. Open Acrobat, and select See all tools. The All tools interface opens.

    The See all tools button is highlighted

  2. From the All tools interface, under the Create section, select Combine files by selecting its icon or Open. The Combine files interface is displayed.

  3. Select Add files from the horizontal bar from the upper left. You get options to add a folder of files, a web page, any currently open files, items in the clipboard, pages from a scanner, an email, or a file you combined previously.

    Select Add Files


    If you add a folder that contains files other than PDFs, the non-PDF files are not added.

  4. As needed, do any of the following:

    Rearrange Pages

    In the Thumbnail view, drag-and-drop the file or page into position. As you drag, a blue bar moves between pages or documents to indicate the current position.

    Expand pages or Collapse Document

    In the Thumbnail view, hover over the page or file and select the Expand pages thumbnail.  In the expanded view, you can easily move the individual pages among the other pages and documents.

    To collapse the pages, hover over the first page and select the Collapse Document thumbnail. 

    Preview pages

    In the Thumbnail view, hover over the page and then select the Zoom thumbnail. 

    Delete pages

    In the Thumbnail view, hover over the page and select the Delete thumbnail. 

    Sort files

    In the List view, select the column name you want to sort by. Select again to sort in reverse order. The list's order of files reflects the files' order in the combined PDF. Sorting rearranges the pages of the combined PDF.

    Move files up or down file list

    Select the file or files you want to move in the List view. Then select the Move Up  or Move Down button.

  5. Select Options, and select one of the file size options for the converted file:

    Smaller File Size

    Reduces large images to screen resolution and compresses the images by using low-quality JPEG. This option is suitable for onscreen display, email, and the Internet.

    Default File Size

    Create PDFs suitable for reliable viewing and printing of business documents. The PDF files in the list retain their original file size and quality.  

    Larger File Size

    Creates PDFs suitable for printing on desktop printers. Applies the High Quality Print conversion preset and the PDF files in the list retain the original file size and quality.


    Larger File Size option may result in a larger file size for the final PDF.

    If any source files are already PDFs, the Smaller File Size option applies the Reduce File Size feature to those files. The Reduce File Size feature is not applied if either the Default File Size or Larger File Size option is selected.

  6. In the Options dialog box, specify the conversion settings as needed, then select OK.

  7. When you've finished arranging the pages, select Combine from the upper-right.

    A status dialog box shows the progress of the file conversions. Some source applications start and close automatically.

Insert one PDF into another

  1. Open the PDF you want to use as the foundation for the combined file.

  2. From the All tools menu, select Organize Pages. The Organize Pages toolset is displayed.

  3. From the Organize pages toolbar, select Insert > From File.

    Alternatively, you can right-click a page and select Insert Pages to get the insert options.

    Insert from file option is shown in the Organize Pages tool

  4. Select the PDF you want to insert and choose Select.

  5. In the Insert Pages dialog box, specify where to insert the document. Select the option as per your need from the Location drop-down menu, and then select OK.

  6. To leave the original PDF intact as a separate file, go to File in the upper left, select Save As, and enter a new name for the merged PDF.


You can also add an existing file to an opened PDF. Drag the file icon directly into the Page Thumbnails panel in the navigation pane.

Insert a clipboard selection into a PDF (Windows)

You can insert one or more pages of selected content copied from any application into an existing PDF.

  1. Open the document containing the content that you want to add. Select the content, then copy the selection (in most applications, by selecting Edit > Copy File To Clipboard).

  2. Open the PDF that serves as the basis of the combined file.
  3. Select All Tools > Organize Pages. The Organize Pages toolset is displayed in the secondary toolbar.

  4. In the secondary toolbar, select Insert > From Clipboard.

    Alternatively, you can right-click a page and select Insert Pages to get the insert options.

  5. In the Insert Pages dialog box, specify where to insert the selection (before or after the first or last page or a designated page), and then select OK.

  6. To leave the original PDF intact as a separate file, go to the File menu in the upper-left, select Save As, and enter a new name for the merged PDF.

Insert a web page or a blank page into a PDF

You can insert a web page into an existing PDF by selecting All Tools > Organize Pages > Insert > From Web Page. In the dialog box that appears, enter the URL of the page that you want to add and select Add.

You can also add a blank page to your PDF document by:

  • Selecting All Tools > Organize Pages > Insert > Blank Page

    In the Insert Pages dialog box, specify where to add the blank page.

  • You can also use the context menu to add a blank page between two pages. Select All Tools > Organize Pages to get the page thumbnail view. In the page thumbnail view, right-click the page where you want to insert a blank page. Select Insert Pages > A Blank Page.

Placing PDFs as linked files in other documents

You can incorporate PDFs into other files that support Object Linking and Embedding (OLE), such as InDesign® or Word files. These files are called OLE container documents. Later, if you edit the original PDF, the OLE features in the container application update the embedded file in the container document to reflect your changes.

Do one of the following: 

  • Select the OLE container application’s Insert Object command or Insert Hyperlink command.

  • (Windows) In Acrobat, select Edit > Copy File To Clipboard, then choose the Paste Special command in the container application.

  1. Do one of the following:
    • Choose the OLE container application’s Insert Object command or Insert Hyperlink command.

    • (Windows) In Acrobat, select Edit > Copy File To Clipboard, then select the Paste Special command in the container application.

Try the online PDF tool: Merge PDF files


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The Creativity Conference

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Oct 14–16 Miami Beach and online