Outlook not recognised as default Mail Client

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All of a sudden my trusty version of Microsoft Office 2007 Enterprise Edition  keeps popping up a message window stating that ‘Outlook is not recognised as the default mail client’.

I have checked the default apps setting in Windows 10 20H2 and Outlook is set as the default mail client.
Outlook appears to be working OK, why do I get this annoying message pop-up and how can I  stop it appearing?

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2007 is really old   In the search box, type in default apps, then – it should be at the top – select email and make it Outlook

Susan Bradley Patch Lady/Prudent patcher

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Thank you, Susan.

However, I did mention in my post that I already checked default apps setting and Outlook is selected as the default app for mail.

So, there must be some other reason why this pop-up window keeps appearing  every few minutes.
Do you have any other ideas / suggestions?

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Hi,

Would removing the registry entry that creates the pop-up message be a viable solution?

The entry is in:

HKEY_LOCAL_MACHINE/Software/Clients/Mail

Default  RegSZ   Microsoft Outlook
PreFirstRun  (Value Data)   ‘Either there is no default mail client or the current mail client cannot fulfill the messaging request . . . . . . . . . .’

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There is a parallel entry located at HKEY_CURRENT_USER…
Have you any other/alternative Mail client also installed: Thunderbird, …, although not used?

This is a complete overview of HKLM\Software\Clients in my Win 7.

I don’t have/use Live Mail or Mail, but apparently at one time fiddled with them.
Note that the program specified in Mail (Default) has definition Keys following.

Edited to re-insert the back-slashes just above the graphic.

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Hi, Paul

Not sure what you were suggesting here?
My OS is Win10 21H1 and the Microsoft Office version is Office 2007 Enterprise Edition.

Is there some registry change that you know of that will eliminate the annoying message?

Thank you and best regards,
Gordon.

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I don’t have an answer. But:
– do you also now have, or in the past have you had, any other email client?
– are your HKCU and HKLM trees consistent,
— and is HKLM somewhat parallel to mine?

Would it be worth the exercise to do a re-install of Office?
Perhaps after an Uninstall, hopefully to clear detritus.
Obligatory disclaimer: after making an appropriate back up, of course.

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Outlook is Not Recognized as the Default Email Client (slipstick.com)

Not seeing that as a solution, but take a backup of the reg key and give it a shot.

Susan Bradley Patch Lady/Prudent patcher

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Hi,

Remove the registry enry that creates the popup message but a similar message  (not the same as before) still appears stating that Outlook is not the default mail client, or words to that effect.

Do you have any other alternative suggestions idea’s on how to solve this issue?

Thank you and best regards,

Gordon.

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All of a sudden my trusty version of Microsoft Office 2007 Enterprise Edition  keeps popping up a message window stating that ‘Outlook is not recognised as the default mail client’.

I have checked the default apps setting in Windows 10 21H1 and Outlook is set as the default mail client.
Outlook appears to be working OK, why do I get this annoying message pop-up and how can I  stop it appearing?

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Microsoft would tell you to update your Office.

If you’ve checked default apps, if you’ve repaired the installation unfortunately there aren’t many other solutions – https://www.slipstick.com/outlook/outlook-not-recognized-default-email-client/

Did this occur after installing July updates?

 

 

Susan Bradley Patch Lady/Prudent patcher

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This topic is a repeat/continuation of
https://www.askwoody.com/forums/topic/outlook-not-recognised-as-default-mail-client/#post-2379628 .

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Oops yes sorry. let me merge the two.

Susan Bradley Patch Lady/Prudent patcher

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Yes . . . . . . it did happen after July updates.

G.

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To confirm it’s the July updates, remove them. If the problem goes away you know they are due to the July update of Windows 10.

Now comes the tough love part: If it’s truly as a result of the July Windows updates, Microsoft won’t fix this and there’s not going to be many people running 2007 on a 21h1 machine so you either live with it or see if you can use Process Monitor – Windows Sysinternals | Microsoft Docs to figure out what is triggering it.

Apologize but I don’t have any better solution.

Susan Bradley Patch Lady/Prudent patcher

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