PrintOutlookVersionString also returns a pointer to a Boolean variable that indicates whether a 64-bit version of Outlook is installed. The following code sample, PrintOutlookVersionString, obtains full version strings by using the MsiProvideQualifiedComponent and MsiGetFileVersion functions, as declared in the Msi.h file in the Microsoft Windows Software Development Kit (SDK). If neither option is available, follow the additional steps provided in the pop-up window that appeared after you chose Check for Updates. Choose Install Updates or Check for Updates. Checking the version of Outlook is sometimes necessary to ensure that a MAPI application calls API elements that are supported by the currently running version of Outlook. Open any Office 2010 application, such as Word 2010 and create a document. This topic provides a code sample that checks version information of installed versions of Microsoft Outlook if the installed version is Microsoft Outlook 2013, Microsoft Outlook 2010, Microsoft Office Outlook 2007, or Microsoft Outlook 2003.

Check outlook version