afraid to upgrade

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  • Updated 11 years ago
I want to upgrade from microsoft outlook 2003 to microsoft outlook 2007.Will I lose my information currently on microsoft outlook 2003
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Posted 11 years ago

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Photo of M3 Sweatt

M3 Sweatt, Official Rep

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No, migrating from Outlook 2003 (released versions, not beta or evaluation) to Outlook 2007 RTM shouldn't be a problem. You can install Office Outlook 2007 over any previous installation of Outlook. As in other 2007 Office system applications, user settings stored in the registry are migrated. The installation wizard for Office 2007 will walk you though the process of migrating your current email accounts and Outlook .PST files to Outlook 2007.

See for more (and technical) details.

If you use any custom add-ins, be sure to check with the vendor on compatibility with Outlook 2007.

Also of interest is this KB article, How to upgrade from Outlook Express to Outlook 2007, to Outlook 2003, or to Outlook 2002,


Outlook 2007 is not installed when you install a trial version of a 2007 Office suite at