How do I switch my entire outlook file back and forth between my laptop and
my desktop so I can use it from home to office and also when I travel?

Simply copy the pst-file but make sure you do not overwrite any existing
pst-files in this process.
Then connect to the pst-file via
File-> Open-> Outlook Data File...

If desired, you set it as your default delivery location then within Outlook
but note that you could be redownloading all your email from the server then
when you have the option "Leave a copy on the server" enabled (FWIW: Outlook
2010 will deal with this in a different way and will not redownload all
emails).

--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
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http://www.msoutlook.info/
Real World Questions, Real World Answers

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"pitbull" <(E-Mail Removed)> wrote in message
news:FC74CC20-8C43-4D14-A564-(E-Mail Removed)...
> How do I switch my entire outlook file back and forth between my laptop
> and
> my desktop so I can use it from home to office and also when I travel?