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Box Error: "We’re Sorry the Preview Didn’t Load. This Document May Be Protected."


  • How to configure a Firewall for Box Applications.
  • Why a file Preview may not be uploading
  • Why a file is protected and not loading when trying to Preview in Clio


  • Box

Additional Information:

  • Clio uses Box to load previews of Files within Clio. If you have a firewall installed, it can sometimes interfere with the Box Application, usually giving the error: "We're sorry the preview didn't load. this document may be protected."


To configure your Firewall for Box Application please follow the steps here 

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