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You could compact the local file too, that may help.
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Are you talking about mailbox sizes or database sizes? you sound like your mixing the 2. which are you referring to?
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You could take a look at <br />
<br />
<a href="https://blogs.technet.microsoft.com/rmilne/2013/08/20/how-to-check-database-white-space-in-exchange/" rel="ugc">https://blogs.technet.microsoft.com/rmilne/2013/08/20/how-to-check-database-white-space-in-exchange/</a><br />
<br />
Check the white-space and go from there, also if they are archiving mail, it may take time for it to stub the email.
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Mailbox size - it says you have reached quota - so users are archiving - but mailbox size is not going down . I read somewhere that moving the mailbox from one database to another causes exchange to report the correct size - but didnt work for me.
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NAZ1000

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Thank you - running that cmdlet shows exchange still has their mailboxes as the same size as outlook is reporting.
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Users are reaching their Exchange 2010 mailbox quota and archiving. However outlook still reports them as using the same mailbox size . <br />
<br />
Read an article that need to do an offline defrag (which I wish to avoid) - or moving mailbox to another database can cause defrag to happen. Have tried this and still no change <br />
reported in outlook - Have tried switching from cached to non-cached mode - still no change.<br />
<br />
<br />
Thank you.
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Users are reaching their Exchange 2010 mailbox quota and archiving. However outlook still reports them as using the same mailbox size . 

Read an article that need to do an offline defrag (which I wish to avoid) - or moving mailbox to another database can cause defrag to happen. Have tried this and still no change 
reported in outlook - Have tried switching from cached to non-cached mode - still no change.


Thank you.

Freeing up mailbox data after archiving

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.