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Susan Chow
Participating Frequently
May 10, 2021
Question

I set up PDF in full screen mode but it gave a weird message

  • May 10, 2021
  • 3 replies
  • 3575 views

I selected "Open in Full Screen Mode" in Acrobat's Properties in Initial View, saved the file, then tried to open it but it gave this message: "This document is trying to put Acrobat in full screen mode, which takes over your screen. In this mode, it is possible to present documents that look like other applications, including applications that request your personal information. Would you like to allow this document to enter full screen mode automatically?"  I'm sure this would be off-putting for anyone who receives my file.  Is there a way to open a PDF in full screen mode without this message?

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3 replies

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Test Screen Name
Legend
May 10, 2021

App impersonation: one app looks like another. The other app might be one that asks for a password when it starts. For example, you send out a PDF file that looks like the login page for the FBI internal site. The FBI user, distracted, wonders why they have to log in, but they type their password anyway. Boom! I see that YOU can turn it off, so presentations are not affected, but the user does need to understand and accept the risk.

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Susan ChowAuthor
Participating Frequently
May 10, 2021

This is a bummer because now I may have to resort to converting a PDF into a PowerPoint slideshow, but unfortunately fonts aren't embedded as they are in PDF's, which means that I can only choose from the few universally safe fonts!  Anyone have any ideas on what other program can open up as a slideshow and not have this font issue?

T
Test Screen Name
Legend
May 10, 2021

I haven't found a way to make Powerpoint do that (open a document directly in full screen mode, rather than when I go to Start Presentation). How do you do that?

JR Boulay
Community Expert
JR BoulayCommunity Expert
Community Expert
May 10, 2021

It is a user setting that only he can modify:

 

Acrobate du PDF, InDesigner et Photoshopographe
T
Test Screen Name
Legend
May 10, 2021

At long last Adobe have put this warning message. The warning is real, and important, and needs to be understood. A document cannot suppress it. You can let your users know it will happen.

S
Susan ChowAuthor
Participating Frequently
May 10, 2021

So there's no way to avoid having this message come up?  I thought setting up a PDF to open in full screen mode would be as harmless as opening a PowerPoint file in slideshow mode.

T
Test Screen Name
Legend
May 10, 2021

If powerpoint does this without a warning I suspect that will be fixed soon... the possibility of "app impersonation" is now considered a major threat.

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