Export LARGE Exchange 2010 mailbox to multiple PSTs

I have an Exchange 2010 mailbox that I need to export and send to a business partner. the mailbox is ~30GB and I have been asked to break it into PST files of between 4 and 6GB for transport. Is there an easier way to do this than selecting individual folders and breaking it down manually?
Thanks in avdance,
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MAS (MVE)EE Solution GuideCommented:

I would say that the easiest option would be to do it manually.

You are starting with a fairly small size to start with - only 30GB so it won't take very long.

Posting here probably had already taken longer 😋

BOFH_JohnAuthor Commented:
Hi Alan,
The first time something like this was requested I did do it manually. Now that it has become a repeat request, the ability to do it within Exchange Powershell and possibly as a script is something I would like to add to my skill set.
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Okay :-;
Jose Gabriel Ortega CEE Solution Guide - CEO Faru Bonon ITCommented:
I think that you can just  export it for 2010


And then zip it using WinRAR for the size they are requesting you.
Then with all the files within the same folder, you can get the big file back
BOFH_JohnAuthor Commented:
Thanks for pointing me in the right direction. Breaking by date worked great. The command I used was:
new-mailboxexportrequest -mailbox "[user name]" -filepath "\\[server]\pst$\[username]-1.pst" -ContentFilter {(sent -ge "mm/dd/yyyy") -and (sent -le "mm/dd/yyyy")}

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I exported 6 months at a time end that got me to about 4.5 - 5GB per file.
MAS (MVE)EE Solution GuideCommented:
Glad to know it helped.
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