Quick Look fails to work on many file types that actually have Quick Look plugins and I fear that some file clobbering has occurred during my last two OS upgrades.

When Quick Look fails, the Quick Look preview is a blank page with:


Has anyone else run into this issue?

1 Answer 1


From the CLI

qlmanage -r will reset the Quick Look cache.

  • 3
    What if this commend doesn't do anything, and can be run for hours without it doing anything?
    – Diti
    Commented May 30, 2015 at 12:06

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