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How can I configure Outlook to be the default mail client?
John Savill
December 21, 1999
1 Min Read
A. Outlook 98 and Outlook 2000 will prompt you when starting to setas the default mail client if they are not already configured as such howeverif you checked the "Don't ask me this again" box you cannot displaythis dialog.
To force Outlook 98 and 2000 to check type the following:
C:> "c:program filesmicrosoftofficeofficeoutlook.exe" /checkclient
Click Yes to the
"Outlook is not currently your default manager for Mail and News.
Would you like to register Outlook as the default manager?"
displayed message.
Clicking Yes updates the following registry entries which you can alsomanually update (and will need to for older Outlook clients such as Outlook 97)
Start the registry editor (regedit.exe)
Move to HKEY_LOCAL_MACHINESOFTWAREClientsMail
Double click the (Default) value and set to "Microsoft Outlook"(don't type the quotes)
Move to HKEY_CLASSES_ROOTmailto
Double click the (Default) value and set to "URL:MailTo Protocol"(don't type the quotes)
Double click the EditFlags value and set to 02 00 00 00
Double click the URL Protocol value and clear
Move to the DefaultIcon folder (HKEY_CLASSES_ROOTmailtoDefaultIcon)
Double click the (Default) value and set to
"C:Program FilesMicrosoft OfficeOfficeoutllib.dll",-12Move to HKEY_CLASSES_ROOTmailtoshellopencommand
Doucle click (Default) and change to
"C:Program FilesMicrosoft OfficeOfficeoutlook.exe" -c IPM.Note /m"%1"
Alternate values (such as Lotus Notes) are:
"C:Program Filesotesotes.exe"=C:WINNTotes.ini %1Reboot the computer
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