Hi, I'm Rodrigo and I will help you.
PDF X can't handle JPEG files that way, you can't set it as default app for JPEG files, only PDF files.
why is PDF X not appearing in my list of default apps
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(192, 57.99999999999999%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EML%3C/text%3E%3C/svg%3E)
Michael La Porte
20
Reputation points
I have downloaded PDF X AND WANT TO USE IT TO OPEN JPEG ATTACHMENTS IN OUTLOOK. WHEN I TRY TO OPEN THE JPEG IT ASKS FOR A FILE TO USE TO OPEN. PDF X IS NOT LISTED ANYWHERE.
Outlook | Windows | Classic Outlook for Windows | For home
Answer accepted by question author
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Rodrigo Queiroz 71,240 Reputation points Independent Advisor2025-12-11T21:22:11.87+00:00 -
Michael La Porte 20 Reputation points
2025-12-11T21:37:01.69+00:00 Thank you.
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Michael La Porte 20 Reputation points
2025-12-11T21:37:36.82+00:00 what would you recommend instead?
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Rodrigo Queiroz 71,240 Reputation points Independent Advisor
2025-12-12T00:21:24.14+00:00 What do you want to do with these JPEG files?