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Outlook 2016 Error mesage: Either there is no default mail client or the current mail client cannot fulfil the messaging request. Please run outlook and set it as the default mail client

This is a 32 bit install of Office 2016 from  the Office 365 site.

It gererates:

Either there is no default mail client or the current mail client cannot fulfil the messaging request.
Please run outlook and set it as the default mail client.

If you choose to Run as Administrator you do not get the message.

Any user who uses the laptop gets this message.

Tried Online repair, uninstall, reinstall of Office 2016 and saw the delete registry key posting somewhere on the net.

Outlook will run but gives the nag screen message.

Much thanks,

-bob

Answer
Answer

This solution fixed my problem that i've been trying to solve for some time now, one of my co workers found it out. I'm posting on is behalf.

Go into the registry here:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\PreviewHandlers 

And delete the line that says "Microsoft Windows MAPI Preview Handler"

They will not get the error anymore

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Last updated December 6, 2023 Views 74,739 Applies to: