PDF previewer not working within Outlook

Windows 10 machine running Office 365.
User had Adobe Acrobat Reader DC installed on PC
Then installed another PDF viewer called Foxit Reader. He wanted that removed so I uninstalled it via "programs and features"
Now his Preview feature in Outlook no longer allows him to view PDFs - only happening with PDFs
Steps taken:
1.  Ensured that Adobe is set to be the default for all PDF file types
2. Verified that the Preview option in settings for Outlook was turned on
3. Checked registry key as per https://www.msoutlook.info/question/362 and it is correct.
4. Ran an online repair of office and rebooted the machine - still an issue.

Next I'm going to uninstall and reinstall Adobe to see if maybe it will pick it back up.

Any other ideas?
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What specifically is the error you are receiving from outlook when opening a PDF?
JohnBusiness Consultant (Owner)Commented:
You need to fully uninstall Adobe, restart and reinstall it. You need a modern (DC) version of Adobe to work with Office 2016.

I have Acrobat DC V2018 and Office 2016 and PDF maker is working this way.
Joe Winograd, Fellow 2017DeveloperCommented:
I've seen that problem many times with Foxit Reader and other PDF editors/readers/viewers. It is nearly always fixed by doing a Repair install of Adobe Reader via:

Control Panel
Programs and Features
Adobe Acrobat Reader DC
Repair installation errors...

That should fix it. Regards, Joe

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ebsadminAuthor Commented:
ITguy565 - Outlook was saying that a pdf previewer was not installed on the device.

I ran a repair but was still having the same issue. I performed a complete uninstall and reinstall of Adobe and that seems to have done the trick. Thank you guys.
JohnBusiness Consultant (Owner)Commented:
I am glad the reinstall worked for you and I was happy to assist you.
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Windows 10

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