Outlook is not recognized as the default email client

Outlook is not recognized as the default email client

Story Highlights

How to fix Outlook is not recognized as the default email client

Microsoft Outlook is an email client that is used by a large number of organizations to send and receive emails. A huge number of outlook users usually encounter an error that prompts as “Outlook is not recognized as the default email client” on their screen.

If a user clicks on an email link while browsing the internet or any other application and the link doesn’t open Microsoft Outlook then it means Outlook is not recognized as the default email client.

You might want to read about Either there is no default mail client or the current mail client cannot fulfill the messaging request

Causes of "Outlook is not recognized as the default email client"

Below mentioned are the various potential triggers that cause Outlook is not recognized as the default email client.

  • Internet Explorer is configured for some other Mail application.
  • MS Office was installed after the other application.
  • Outlook is 64-bit and other applications are 32-bit. 32-bit applications are unable to read 64-bit configuration software.
  • Using Office Click to Run suite. This C2R suite is installed in a virtual hard drive that makes Outlook hidden from other applications.

Resolution of "Outlook is not recognized as the default email client"

Error message “Outlook is not recognized as the default email client” tends to pop up when Outlook is not set not as a default email client.

  • Set Outlook As Default Email Client
  • Using Outlook 64-bit with 32-bit Applications – Change the Windows Configuration Settings
  • Repair Office installation

1. Set Outlook As Default Email Client

  • Go to Start and click on Control Panel or Press Windows+R keys to open the Run box. Type “control” into the “Open” field, and then hit Enter or click on Ok to launch Control Panel
  • Choose Default Programs from the Control panel.
  • Click on Set your Default programs option.
  • Select Microsoft Outlook from the drop-down menu.
  • Click on Set this program as default to set Outlook as a default mail application.

If Microsoft Outlook is already a default email client, then there is some other reason causing the error Outlook is not recognized as the default email client error.

Set Outlook As Default Email Client

2. Using Outlook 64-bit with 32-bit Applications - Update Windows Configuration Settings

Check the bit configuration of your MS Outlook. Make sure that you are not using 64-bit Office with 32-bit applications. Install correct version of Office as per the configuration of other programs.

For Office 64-bit, ensure the following registry key and create it, if not present :

  • Press Windows+R keys to open the Run box. Type “regedit” into the “Open” field, and then hit Enter or click on Ok to launch Registry Editor.

For Outlook 2016

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\16.0\Outlook
String: Bitness
Value: x64

For Outlook 2013

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\15.0\Outlook
String: Bitness
Value: x64

For Outlook 2010

Users might encounter this issue while they are using Home and Business 2010 C2R suite. Probably your Outlook is installed on the virtual drive making it not visible to other applications. Change Windows Registry settings if you don’t want to uninstall the C2R suite for Outlook 2010. For Office C2R, you would need to uninstall it and then download office from a reliable source. In case if you are unable to make MS Outlook in an unsupported mode, then –

  • Press Windows+R to open the Run box. Type “regedit” into the “Open” field, and then hit Enter or click on Ok to launch Registry Editor.
  • Browse ‘HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail’ path in the Registry Editor.
  • Right-click on the Mail key and select Export option to create a backup.
  • Select the location to keep a backup file and click on Save button.
  • Go to Mail key and right-click on it. Select New > Key option.
  • Generate a new key from the Outlook64Bridge key with DLLPath as the name. Under which you need to create a new key with the name DLLPathEx.

Look for the MAPI32.dll file with a 32-bit local machine and then, complete the remaining path in both keys.
Location: HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail\Outlook64Bridge\DLLPathEx
Path: C:\WINDOWS\x86_microsoft-windows- \xxxxxxxxxxxxxxxxxxxx mapi32.dll

regedit
New Key Registry Editor
Outlook64Bridge Registry Editor

3. Repair Office installation

If you have start receiving the error message “Outlook is not recognized as the default email client” after the installation of an Office application, try to fix the problem by repairing the Office installation.

  • Go to Start and click on Control Panel.
  • From Category view, under Programs, click on Uninstall a program. or Press Windows+R keys to open the Run box. Type “appwiz.cpl” into the “Open” field, and then hit Enter or click on Ok to launch Programs and Features.
  • Select the Office product you want to repair, and then click Change.
  • Depending if your copy of Office is Click-to-run or an MSI-based install, do the following for your Office installation type:
    • Click-to-Run installation type: In How would you like to repair your Office Programs, select Quick Repair to detect and replace corrupted files and then select Repair.
    • MSI-based installation type: In Change your installation, select Repair and then click Continue.
  • Follow the remaining instructions on the screen to complete the repair.
Repair Office installation

Frequently Asked Questions

  1. What does default mail client mean?

    The default mail client is the application that is installed on your Operating system to handle the email URL's. When any application needs to send an email, it looks for the default mail client and passes control to the default mail program.
  2. How to make Outlook the default mail client?

    Open Outlook. Click on File tab and select Options. Under Startup options, select the check box "Make Outlook the default program for E-mail, Contacts, and Calendar". Click OK.
  3. How do I start Outlook in safe mode?

    Press Windows+R keys to open the Run. Type “outlook /safe” and hit Enter to launch Outlook in Safe mode.

Related posts

Leave a Reply

Your email address will not be published. Required fields are marked *