Issue with Office Web Viewer


We use Office Web Viewer ( to display powerpoint, doc, and excel files stored on our website. When we enable cloudflare proxie, Office Web Viewer won’t display our files. When we disable cloudflare proxie to just DNS only it works fine.

Does anyone knows how to fixe this issue ? Should we use page rules ? Which page rules ?

Best regards,

Can you post a link where you experience that issue?


Here is the link :

Assuming that is a sort of proxy service which downloads the file on its own, it might be that it is blocked by the security layer. Check out your firewall event log for matching requests.

Thanks That was it ! A Browser integrity check issue

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