Is the outlook.exe process running? Then Outlook is not closed and the files
are locked.
Probably you have some software installed that relies on Outlook such as a
Fax service or you have a mobile device connected to your computer.
For additional solutions and troubleshooting see;
http://www.howto-outlook.com/faq/outlookdoesntclose.htm
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
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"badgolferman" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Outlook 2007. I cannot copy outlook.ost or archive.pst for backup
> purposes whether Outlook is open or closed. I have even tried on a
> fresh reboot.
>
> Error Message:
> "Cannot copy outlook: The process cannot access the file because
> another process has locked a portion of the file."
>
> --
> "It's so simple to be wise. Just think of something stupid to say and
> then don't say it." ~ Sam Levenson