Forum Discussion
CEverly
May 24, 2023Copper Contributor
Opening PDF attachments in Outlook to default PDF viewer
My Outlook was updated to the newest version a few days ago and I'm having issues with opening PDF attachments in my default PDF viewer. Before, you could click the attachment in the email and get a...
mjc159
Jan 16, 2024Copper Contributor
I had this issue too, and discovered the cause was HP Wolf Security's Threat Containment setting.
Every PDF was opening in the HP Secureclick browser to "contain" possible treats.
To disable:
1. Open HP Wolf Security from the system tray
2. Go to Setting > Threat Containment
3. Toggle Status to Disable
Disabling the the Threat Containment setting enabled Outlook to 1. preview PDF's and 2. Open PDF's using the default PDF handler. (Nitro Pro for me)
Hope this helps.
Regards Muz
- npeterikaDec 20, 2024Copper Contributor
Thank you! This is the fix I needed.
- RukkinatorDec 04, 2024Copper Contributor
This fixed mine. Thank you!