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PDF Downloads

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When I download PDFs on my MacBook using Firefox (currently 124.0.2 (64-bit)), they are always blank - I have attached a screen shot.

But if I download the same PDF using Safari, it opens straightaway - 2nd screen shot.

Is there something I need to adjust in Firefox to allow PDFs to open?

When I download PDFs on my MacBook using Firefox (currently 124.0.2 (64-bit)), they are always blank - I have attached a screen shot. But if I download the same PDF using Safari, it opens straightaway - 2nd screen shot. Is there something I need to adjust in Firefox to allow PDFs to open?
Attached screenshots

Chosen solution

PDFs should open in the built-in viewer, make sure the PDF content type is set to "Open in Firefox" in the Applications list in settings.

Does it still happen in Troubleshoot Mode?

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All Replies (2)

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Chosen Solution

PDFs should open in the built-in viewer, make sure the PDF content type is set to "Open in Firefox" in the Applications list in settings.

Does it still happen in Troubleshoot Mode?

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Troubleshoot mode fixed the problem. I already had it set to open in Firefox.