Combine multiple files into a PDF online

You can easily convert up to ten files into a single PDF using the Combine Files tool. The tool supports multiple file types, in addition to PDF. When you combine files, the combined PDF file is stored and not the files from which it was created.

Supported file types

You can convert or combine the following popular file types to PDF:

Convert to PDF from

Supported file extensions

Microsoft Word

.doc, .docx

Microsoft Excel

.xls, .xlsx

Microsoft PowerPoint

.ppt, .pptx

Image file formats

.bmp, .gif, .jpeg, .jpg, .png, .tif, .tiff

Rich Text Format


Text file


Adobe Illustrator


Adobe InDesign


Adobe Photoshop



You cannot combine PDF files that are secure, password-protected, 3D, or part of a PDF Portfolio.

Combining multiple files into one PDF

You can combine multiple files into a single PDF using the Combine Files tool.


  1. Sign in to Acrobat Web at with your Adobe ID and password, or with your social (Facebook or Google) account. 

  2. In the top navigation bar, click Edit > Combine Files.

    Combine Files

  3. Do one of the following to select the files that you want to combine and then click Continue:

    • Choose files from the Recent or Documents list.
    • Add files from your computer or drag-and-drop the files onto the highlighted area.
    • Choose files from your online storage accounts.
    Select a file from the Recent or Files list

    Select a file from your computer

  4. To add more files, click Add Files or the plus icon before/after the file's thumbnail, select the desired files from the Recent or Files list or your computer, and then click Continue.

    Add more files

  5. (Optional) Hover over a file and click the arrow to expand it and change its order in which you want it to appear in the combined PDF.

    Expand and change the order of the pages in the files

    To move a page, expand the file, drag the page number box of the corresponding page thumbnail or the page thumbnail itself to the new location.

  6. Enter a name for the combined PDF file, and then click Combine.

    Specify a name for the file and combine the added files

  7. The files are converted and combined into one PDF. The PDF is open in the viewer once ready.

    A copy of the combined PDF file is also stored in your Adobe Document Cloud account. The Recent section at the bottom area of the Home page lists all the files you’ve combined recently. Alternatively, to see the list of all your files, click Documents in the top-menu bar.

Add a custom page to your PDF

You can add a custom page to your PDF using the integrated Adobe Express app, which offers thousands of templates to choose from while combining files in Acrobat online.


  1. In the top navigation bar, click Edit > Combine Files.

    Edit > Combine Files

  2. The Combine Files explorer window opens. Choose an existing PDF from your RecentDocuments, your computer, or from your online storage account to which you want to add a new page, and then click Continue.

  3. On the Combine Files toolbar, click Add custom page, and then click the + icon where you want to insert the new page.

    Add custom page while combining files

  4. A new window opens with page editing options powered by Adobe Express.

    Choose the template you want to use for your new page, and use the editing controls to change any colors or text to your liking. Once you have finished customizing the page, click Add to add the page to your PDF.

    Choose and add a template

  5. The new page is added to your PDF. Click Edit if you want to make additional changes to the new page. The editing panel opens. Click Save when you've finished. The updates appear in your PDF.

    Edit template

  6. Click Combine. Acrobat combines the files and opens the PDF in the viewer when ready.


    Once you Combine your PDF, the PDF is saved and you can't edit the added page by opening the Adobe Express app from Acrobat online.

Try the online PDF tool: Merge PDFs

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