Urgent Help : Remove Login actions from Box embed

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First-time Contributor

Urgent Help : Remove Login actions from Box embed

Hi All

I am usign the embed url of Box in my Salesforce using iframe. I need to remvove the Action items :Log in and sign up from the list .It is in the preview-header . I do not even need the name of the file so want to remvoe this compete thing. Please help as it is very urgent