[Easy Methods] How to Find Duplicate PDF Files in a Folder?

How to find duplicate PDF files in a folder? Based on different needs, File Explorer and a reliable duplicate PDF file finder are worth trying. Come to effectively find and remove duplicate PDF files.

Irene

By Irene / Updated on October 25, 2023

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Actions such as accidental copying, creating backups, or forgetting about copied or saved PDFs in different locations for organizational purposes can lead to the accumulation of numerous duplicate PDF files. These duplicates can clutter your computer. When you're looking for a specific PDF document, having duplicates can make it difficult to find the correct one.

These duplicate files not only make your PC disorganized but also consume a significant amount of storage space, potentially slowing down your computer. So we are here to share how to find duplicate PDF files in a folder and provide a method for their swift removal.

duplicate files on pc

How to find duplicate PDF files in a folder with 2 methods

Based on the number of duplicates, 2 recommended methods are available. If you're looking for a small number of duplicate PDF files or a specific document, using File Explorer is a suitable approach.

However, when dealing with a substantial number of duplicate files for tasks such as expanding storage or maintaining a clean environment, using a reliable duplicate PDF file finder and remover is the most efficient choice.

Method 1. Find duplicate PDF files in File Explorer

If you want to find specific PDF files, File Explorer is a handy utility. All you need is to type the right file extensions and carefully identify the updated versions. However, if you want to find and remove a large amount of duplicate PDF files, this method can be exhausting and time-consuming.

Step 1. Enter "Indexing Options" in the Search box and then choose "Indexing Options".

indexing options

Step 2. Click "Modify" and choose "Show all locations". A window will pop up, requesting your login information. Ensure you're using an administrator account while making changes in this place.

show all locations

Step 3. Check if all the boxes are ticked under the "Changed selected locations" section. If they are, click "OK", and then hit the "Close" button. If not, ensure tick all the boxes. 

change selected locations

Step 4. Simultaneously press the "Win+E" keys on your keyboard to open File Explorer. Finding your files is simpler under your user account. To reach your user account, navigate to Windows (C:), and then pick the Users folder.

Step 5. Click "Search" in the upper-right corner, and enter the following extensions based on their format if you have other needs.

duplicates formats file explorer

Step 6. Organize the search results by Name:

• Click the "View" tab.
• Under the "Panes" section, choose "Preview pane".
• Under the "Layout" section, select "Details".
• In the "Current view" section, click "Group by," and then pick "Name".
• To arrange the files in ascending order, click "Group by," and select "Ascending".

Step 7. Examine the files to find duplicates saved in different locations. Check the "Date modified" column to identify the latest version of each file.

duplicate details

Step 8. After reviewing the files, select the needed duplicate PDF files. If you want to remove them, press the DELETE key on your keyboard.

Method 2. Use duplicate document files remover

To find duplicate PDF files in a substantial quantity, we have prepared another effective method for you. You can employ AOMEI Partition Assistant Professional, a dependable duplicate PDF files finder and remover. With this tool, you can scan your PC for all duplicate files and tailor the solutions to suit your specific requirements.

This tool works for other file types too, like documents, pictures, videos, and more. Taking only a few minutes, you can acquire an organized and fast computer.

Free Download Win 11/10/8.1/8/7/XP
Secure Download
Note:
If you want to thoroughly clean your device or free up storage space, advanced functions like PC Cleaner, SSD secure erase, App Mover, Delete Large Files, etc., are all worth trying.
For the Windows Server environment, kindly please turn to the Server Edition.

Step 1. Install and open AOMEI Partition Assistant. Next, click on the "Free up" main tab and choose "Duplicate Files Finder".

duplicate files finder

Tips: If you select the "Same file extension" option, only files with the same file extension will be scanned.

Step 2. Afterward, a new window will appear. The initial list contains all the hard drives and partitions on your computer. You have the option to include specific folders in the scan by adding them manually or exclude unnecessary partitions from the scan.

remove partitions

Step 3. Here, you have the ability to leave out specific file types by excluding their extensions. You can also choose to include picture, video, audio, document, and archive files selectively.

exclude file extensions

Step 4. Within the fresh window, you can set boundaries for the scan and specify the types of files. Then, click "Scan". If you opt for "Advanced", you can configure additional details for the files.

advanced settings

Step 5. During the scan, you can see the file numbers, time spent, and remaining time. If you want to stop the process, click “Stop Scan”.

Step 6. Once the scan finishes, you can review the results. All duplicate files will be visible in the window, and you can see their size and timestamp by clicking "Preview". Click "Smart Selection", and the program will automatically choose the right files for deletion.

preview

3 deletion methods
Delete directly: Duplicate files will be deleted directly and permanently.
Move to Recycle Bin: Duplicate files will be moved to the Recycle Bin of your computer and can still be recovered. (Set as default)
Remove to a specified folder: Move duplicate files to a designated location. You can set up a location to save the duplicate files.

manual delete settings

You can also set your preferences in Settings as well.

manual delete settings

Set personal preferences (This setting is for the smart set. For manual deletion, there is no need to set this option.)

▌Earliest/Latest change: The earliest/latest change file will be selected. (Earliest change is set by default.)
▌Latest/Earliest creation: The latest/earliest creation file will be selected.
▌Longest/Shortest name in the group: The longest/shortest name in the group will be selected.
▌Longest/Shortest file address in the group: The longest/shortest file address will be selected.
▌File name/File address match: Enter a file name/file address to match. Only the same file name/file address will be selected.

Ending

The shared 2 methods on how to find duplicate PDF files in a folder can be helpful. If you choose the duplicate PDF files finder and remover, you can explore the recommended functions for a better clean experience. Except for storage expansion, this versatile tool also supports cloning disk for backup, moving OS for performance enhancement, converting system disk between MBR/GPT, and so on.

Irene
Irene · Staff Editor
Irene is an Editor of AOMEI Technology. She devotes herself in giving insightful thoughts on common computer problems with simple and clear guidance. Irene loves to help people solve problems and explore more solutions on relevant issues. She loves reading, singing and travelling.