Outlook wont pull in new email until restarted.

This has been happening to several computers, some I own and some client pcs. They will not pull in new emails (even when clicking send/receive). You have to close outlook and reopen for it to pull in any new email.
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William FulksSystems Analyst & WebmasterCommented:
What version of Outlook are you using and how do you get your email (Exchange, POP, etc?)

My first thing to check would be OST/PST corruption, which can lead to all kinds of weird Outlook issues. Try rebuilding their mail profile so that it will recreate the OST/PST and see if that helps.

You could also try running SCANPST.EXE (located in Outlook program folder) and see if it can find or correct any issues.

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mikesmithccsOwner/OperatorAuthor Commented:
Right now I have had this happen on 2 different versions. 2007 and 2013, both doing the same thing. All emails are using IMAP. I will try fixing the OST/PST and let you know.
William FulksSystems Analyst & WebmasterCommented:
How big are the OST/PST files? The bigger they get, the more chance of corruption.
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mikesmithccsOwner/OperatorAuthor Commented:
These are all relatively small files. All of them are all under 2GB.
mikesmithccsOwner/OperatorAuthor Commented:
All files on all the pcs had errors. I ran scanpst and repaired the most/pst files. We will see if that fixes the issue.
William FulksSystems Analyst & WebmasterCommented:
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