How to Fix Cannot Combine Large Number of Files in Adobe Acrobat
Question details
The user is unable to combine multiple files into a single PDF document due to file count or size limitations in Adobe Acrobat.
- Product
- Adobe Acrobat
- Device & OS
- not provided
- Scenario
- Merging a large number of files or heavily sized documents into one continuous PDF.
- Observed behavior
- Acrobat or Acrobat online fails to combine the files, typically stopping the process due to maximum file-count or storage limits being exceeded.
Verify the total number and combined file size of the documents you are trying to merge, as online services often have stricter processing caps than desktop applications.
Combine Files in Smaller Batches
Merge a fraction of the files first to bypass the maximum file-count limits, then merge the resulting PDFs together.
Adobe Acrobat Online and some subscription tiers limit the number of files you can process in a single transaction. Chunking your files into smaller batches ensures you stay under this limit.
Divide your large list of files into smaller, manageable groups (e.g., 20 to 30 files per batch).
Open Adobe Acrobat, navigate to 'Tools', select 'Combine Files', add your first batch, and click 'Combine'.
Save the newly merged PDF to your computer. Repeat this merging process for the remaining batches of files.
Once all individual batches are merged into chunked PDFs, use the 'Combine Files' tool one last time to merge these chunked files into your final, single document.
Switch to Acrobat Desktop and Check for Updates
Use the desktop version of Acrobat instead of the online service to utilize local processing power and ensure the software is updated.
Easily Combine Large Numbers of PDFs Using WPS Office
Bypass complex online limitations by using WPS Office's PDF editor to effortlessly merge a large number of files into a single document entirely on your desktop.
- 1. Open the PDF tools in WPS Office: Launch WPS Office on your computer and navigate to the 'PDF' tab from the main dashboard.
- 2. Select the Merge PDF feature: Click on 'Merge PDF' located in the top toolkit ribbon.
- 3. Add your files: Click 'Add Files' to select all the documents you wish to combine. You can drag and drop a large number of files simultaneously.
- 4. Merge and save: Arrange the files in your preferred order and click the 'Merge' button to quickly generate your single PDF file.
Frequently Asked Questions
What is the maximum number of files I can combine in Acrobat Online?
Acrobat Online typically limits file merging to 100 files per transaction, and the total combined file size must not exceed the specific storage or upload limit associated with your Adobe plan.
Why does Acrobat freeze when combining files?
Acrobat may freeze or crash during the merging process if the source files are corrupt, have excessively high-resolution graphics, or if your computer lacks sufficient RAM to process complex documents simultaneously.
Can I merge different file types into one PDF?
Yes, PDF tools like Adobe Acrobat and WPS Office allow you to combine various file formats, including Word documents, Excel spreadsheets, and image files, into a single PDF document.
How can I reduce file size before combining them?
You can use a 'Compress PDF' tool to shrink the file size of individual, heavily graphical documents before merging them. This helps prevent exceeding overall size limits when combining.
