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Discuss with the user the effect of emptying their Deleted Items folder (improved Outlook performance, can’t recover items once emptied, etc).Sort according to folder size and identify candidates for cleanup.Įmpty the Deleted Items folder in Outlook.Get-Mailbox -ResultSize Unlimited | Get-MailboxFolderStatistics | where, ItemsInFolderAndSubFolders | Export-CSV C:\temp\DeletedItems.csv Open EMS and run the below cmdlet (this is one long command).Note: some steps can be skipped depending on what activity is required.Įxport a list showing the Deleted Items folder size of each mailbox Empty the Deleted Items folder in Outlook.Export a list showing the Deleted Items folder size of each mailbox.
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It will get automatically purged after 14 days (this is default setting) as part of the regular Exchange maintenance in the background. However, it still takes up storage space. If the items are hard-deleted (by pressing Shift – Delete) or if the Deleted Items folder is emptied, the messages end up in the Dumpster. The items accumulate here over time, are still part of the mailbox and eat up storage. Once an email item (message, calendar, contact, etc) is deleted in Outlook it ends up in the Deleted Items folder.
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So deleting a huge mailbox or asking your users to perform cleanup of their old emails isn’t going to reduce the free space in the partition where your Exchange database resides.
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A key take away with the way Exchange uses its database file is that it never automatically shrinks.
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If you manage an on-premise Exchange server you’d realise quickly that however huge the disk space was when Exchange server was commissioned that the used space has a funny way of catching up faster than you expected.
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