Why the outlook not receiving latest incoming emails?

This is using MS Outlook 2013. Recently, found that the latest emails not receiving. On the outlook bottom, there always a message stating "This folder is last updated at 10:45 am" while now is already 5 pm.

The only action we can do is in Outlook > Send and Receive tab; click "Update Folder" 2 times. Normally, latest emails will be downloaded. I checked the size of the OST is about 2 GB. What should we do to solve the problem?

Thanks in advance.
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Sunil ChauhanLead AdministratorCommented:
Have you tried rebuild of the outlook profile ?
Valentina PerezExchange ServersCommented:
Hi Michael,

Do you the issue only with one Outlook or all users have the same issue?

As Sunil commented, it is good to rebuild Outlook profile if it is only happening with one user.

MichaelBalackAuthor Commented:
Hi Sunil,

I already tried to build a different new profile. However, same thing happened.
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MichaelBalackAuthor Commented:
Hi Valentina,

2 or 3 users so far having this problem.
Jessica KCommented:
Hello Michael,

There might be few possible reasons behind this issue. Read the following informative article of Microsoft to know the reasons and appropriate solutions.

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Valentina PerezExchange ServersCommented:
No answes from the author...the issue seems to be solved
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