[2026] How to Recover Unsaved or Deleted Adobe PDF Files

Adobe Acrobat PDF is a commonly-used format. It is a disconcerting experience to leave a PDF unsaved or accidentally delete it.

Stay calm! First thing first, stop running app, so they won’t write new data to your device and permanently erase your PDF files. Checking your PDF apps and recycle bin should be the first call to recover a PDF file. Here we will give your the complete guide to do PDF recovery easily and successfully, on Windows and Mac.

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• Recover PDF files lost due to different reasons: delete, format, unsaved, corruption, app crash, virus, etc.
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• Preview PDF files before recovery
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• Recovered PDF files can be opened and edited successfully
• High success rate to recover PDF and others
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• Support recovery of 1000+ file formats: video, audio, photo, document, email, archive, etc.
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How to Recover Unsaved Adobe PDF Files?

Sometimes, we just leave our PDF files unsaved, due to program crash, sudden power-off, neglect, etc. But luckily, same as Office applications, most of PDF applications has AutoSave feature to restore an unsaved PDF file. Also, they store temporary versions of PDFs on the disk.

#1 Recover Unsaved PDF via Adobe Acrobat AutoSave

It is much likely you are using a professional PDF tool to manage your PDF files, such as Adobe Acrobat, Foxit. If your installed PDF tool builds in the auto-save feature, you are also allowed to recover unsaved PDF files. Here we take Adobe Acrobat as example to show how to do the unsaved PDF file recovery.

Actually, when you leave a PDF unsaved in Adobe Acrobat, if you reopen the app, and it will restore the file automatically for you. But it doesn't do so, we need to dig out the files from the auto save folder.

First, we need to know the Adobe Acrobat autosave location on Mac and Windows before the recovery:

For Windows: C:\Users\%UserName%\AppData\Roaming\Adobe\Acrobat\DC(Version)\AutoSave\

For Mac: /Libriary/Application Support/Adobe/Acrobat/DC(Version)/AutoSave

How to Recover Unsaved PDF via Adobe Acrobat AutoSave?

1. Open File Explorer on PC, or Finder on Mac.
2. Go to the auto save location of Adobe Acrobat PDF files on your device.
   For Windows: C:\Users\%UserName%\AppData\Roaming\Adobe\Acrobat\DC(Version)\AutoSave\

   For Mac: /Libriary/Application Support/Adobe/Acrobat/DC(Version)/AutoSave

3. Find the unsaved PDF files, open with Adobe Acrobat, save or export the files on your device.

#2 Recover Unsaved PDF Files from Temporary Folder

Still, you can try to find and recover the unsaved Adobe PDF files from Temporary folder on your PC or Mac.

For Windows users:

1. Press Windows+S, enter %temp%.
2. Find the PDF files, open and save the file.​

For Mac users:

1. Go to Finder > Applications > Utilities.
2. Then find and launch Terminal on your mac.
3. Input “open $TMPDIR” into Terminal, then press “Enter”.
4. Discover the unsaved PDF files from TemporaryItems folder, and recover.

#3 Open Recent to Find back Unsaved PDF Files

Or you may have saved the file but did not notice where you've saved the file. Then you are recommended to check the recent file list, and save your file to a wanted location.

1. Launch Adobe Acrobat or other PDF editors on your device.
2. Go to Menu > Open recent files.
3. Select the PDF file, open it and save to a wanted place.

#4 Recover Unsaved PDF Files via Cloud or Shared Copies

Adobe Acrobat allows syncing files to cloud, or sharing your PDF file in real-time via email, link, Whatsapp, etc. If you've done this before your file is left unsaved, then we can check back the copies in Adobe Cloud or via the shared address.

1. Log into Adobe Acrobat Cloud.
2. Go to Your files, browse the files you synced to cloud, you shared.
3. Select the one you want to recover, open locally, edit or save as per your need.

#5 Use Cisdem Data Recovery

It’s quite a simple job to restore PDF files if you have Cisdem Data Recovery on hand. It is perfectly designed to recover lost, deleted, unsaved, formatted PDF files from different kinds of storage devices, including Mac & Windows disks, external hard drives, memory cards and USB flash drives, etc. Furthermore, it has a bunch of key features which are listed below.

• Recover PDF files from internal or external storage device
• Recover files including PDF, photos, videos, audios , archives and other documents in 300+
• Repair damaged videos, photos and documents in different formats
• Recover lost files in different situations: delete, format, virus attack, crash, power off, etc.
• Preview files before recovery
• Quickly filter files with keywords, file size, date created or modified
• Recovered PDF files or others can be opened and processed

How to perform PDF file recovery with Cisdem?

1. Download and install Cisdem Data Recovery on your device.
   Free Download Windows 11/10/8/7Free Download macOS 10.15 or later
2. ​Choose the hard drive or external device where you store the PDF files, and click Search for Lost Data.
3. Go to Type > Documents > PDF, or use the filter to quickly search a PDF file.
4. Select the PDF files, preview by double clicking on the file.
5. If you cannot preview a PDF file, use the File Repair tool to fix first.
6. Then select the files and click Recover button to restore your files.

Also, you can check the YouTube tutorial video here:

How to Recover Deleted PDF Files?

First, you’d better check your Mac Trash bin or Windows Recycle bin to make sure if your PDF files are permanently deleted or not. If they are still stored in your trash bin,  you just need to select them all and right click to choose “put back”. But if you have permanently deleted them, you will need to recover permanently deleted PDF files using professional tools like Cisdem Data Recovery, or using following 2 methods.

#1 Restore Deleted PDF Files from Cloud

Did not find the deleted files from trash bin on your device? Then you should check Adobe Creative Cloud if you've backed up the files there.

1. Log into Adobe Creative Cloud.
2. Check the copies there from Your files, and see if the copy for the deleted PDF is available.
3. Or go to Deleted, select the trashed PDFs and click Restore.

#2 Recover Deleted PDFs from Backup

If you have backed up the PDF files using system utilities on Windows or Mac, you can even restore the deleted PDF files without using any 3rd party software.

Recover Deleted PDFs on Windows

File History is the Windows utility to backup and restore personal files, including PDF documents. If you have transferred a copy of PDF files to an external storage device, you can use restore them easily by following this procedure.

1. Connect File History backup drive to your PC.
2. Type Control Panel in Windows search box. 
3. Go to System and Security > File History > Restore your files with File History.
4. Check the files and preview all the versions, select the one you want to restore and click Restore button to recover.

Recover Deleted PDFs on Mac

Time Machine is the free utility designed to back up files from Mac to external hard drives. If you have a good habit to back up your PDF files with Time Machine, you will be able to recover the deleted or lost, even previous version of your PDF files on mac.

1. Connect Time Machine backup drive to your Mac.
2. Go to Finder > Application, find and launch Time Machine.
3. Open the folder where you save the PDF files.
4. Use the timeline to check the PDF files backup, select the wanted one and press Space bar to preview.
5. Click “Restore” to recover the deleted PDF files.

Conclusion

The solutions are quite different when recovering unsaved or deleted PDF files on Mac or Windows. But a dedicated program is always the one brings you the best result. Also, you can have a try on the data recovery software whenever you fail to recover PDF files with other recommended methods. And the most important is, you need to back up files on a regular basis.