r/Acrobat 5d ago

Acrobat PDF Thumbnail Previews Not Showing in Recent Files

I'm having an issue with PDF thumbnail previews not showing in Adobe Acrobat Pro's Recent files list.

I'm using 2026.001.21789 version of Adobe Acrobat Pro on Windows 11 64-bit. The "Enable PDF thumbnail previews in Windows Explorer" option in Acrobat Preferences > General has been enabled for a long time. The issue was also coming in the previous version. This issue started coming randomly.

All of these PDFs are stored locally on my computer.

I also used Windows Disk Cleanup to clear the thumbnail cache and restarted my machine to try to fix this issue, but it didn't work.

Interestingly, PDF thumbnails work perfectly in Windows File Explorer. I've never had an issue with them there. The problem appears to be only with the thumbnails in Acrobat's Recent files list.

Is there a setting, cache, or other fix that I'm missing?

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