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Outlook 2010 : Why CDO 1.2.1 not supported with Outlook 2010?

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Collaboration Data Objects (CDO) 1.2.1 is a client library that provides a thin wrapper over Extended MAPI functionality. CDO does not install with Outlook 2010, and is available only as a download. For more information, see Collaboration Data Objects, version 1.2.1 in the Microsoft Download Center. CDO is not guaranteed to work correctly in an environment with multiple Exchange accounts. CDO 1.2.1 is a 32-bit client library and will not operate with 64-bit Outlook 2010. Therefore, CDO 1.2.1 is not supported for use with Outlook 2010. Most of the CDO 1.2.1 functionality has been incorporated into the Outlook 2010 object model.

Then, what’s the alternative? As an alternative to CDO 1.2.1, update existing solutions that depend on CDO to use the Outlook object model or to use MAPI directly.

Comments

  • Anonymous
    December 06, 2011
    Microsoft Outlook 2010 includes many architectural changes to the client-side MAPI subsystem. Of particular

  • Anonymous
    December 06, 2011
    Recently one of my developer customer migrated from Outlook 2003 to 2010. He tried running the custom

  • Anonymous
    January 27, 2013
    did anyone know what is the alternative for CDO 1.2.1 inorder run old macro's in 2010

  • Anonymous
    April 27, 2014
    Hi, Vinayaka from India Today i went through ExchangeCdo.MSI with Orca and did some workaround. LaunchCondtion table: (Existing table)

OUTLOOK12INSTALLED -> [msqOutlook12Installed] NOT Installed -> [msgUpgradeNotPossible] AdminUser -> [msgAdminUserRequired] NOT EXCHANGE12INSTALLED AND NOT EXCHANGEINSTALLED -> [msgExchangeInstalled] LaunchCondtion table: (Modified table)

OUTLOOK12INSTALLED -> [msgUpgradeNotPossible] (Duplicated this value) NOT Installed -> [msgUpgradeNotPossible] AdminUser -> [msgAdminUserRequired] NOT EXCHANGE12INSTALLED AND NOT EXCHANGEINSTALLED -> [msgExchangeInstalled] In modified table, duplicated {OUTLOOK12INSTALLED} description value with {Not Installed} description value. This worked for me. Thanks, Vinayaka S

  • Anonymous
    December 02, 2014
    Hi Vinayaka, Can you please explain in detail how you modified this? May be provide a full modified table? Thanks.