Check Mailbox Size In Outlook 2016

 

  • Here you will find your total mailbox size (now unlimited in Outlook 365) along with a breakdown of each of your folders on Exchange. You can scroll through and check which folder(s) are the largest and may need attention.Remember to think in terms of MB vs. (or in terms of 1000’s) For example, a total mailbox size of 710455 KB = 710 MB.
  • Nov 24, 2017 Step 5: Check the size of the deleted items folder and now, empty the folder if you need. Approach#2: Archive older messages. One another way to reduce mailbox size in Outlook 2016, 2013 is archive your Outlook folders. If you are accessing Outlook from the MS Exchange, then you will not be able to change the archive option as the method of.

In this collaborative business world mail communication is one of the best platform to share messages and files with customers and colleagues. So, we often required to check mailbox size and quota for every user’s mailbox. In this post, I am going to write a Powershell script to find mailbox size and usage status and find users who are going to reach their storage quota.

We can use the Exchange Online powershell cmdlet Get-MailboxStatistics to get mailbox size and other mailbox related statistics data. This cmdlet will be available for both Exchange On-Premises server and Exchange Online (Office 365). Before proceeding, install the Exchange Online PowerShell V2 module and run the below command to connect Exchange Online Powershell.

If you are using Outlook 2010 or later, your quota and current mailbox size is displayed when you go to; File- Info In Outlook 2010 and Outlook 2013, this information is displayed in the Mailbox Cleanup section. In Outlook 2016 and later, this section is called Mailbox Settings.

Run the below command to get mailbox statistics for a single user.

How To Check Mailbox Size In Outlook 2016

By default, this command returns the DisplayName, ItemCount, StorageLimitStatus, and LastLogonTime fields for the specified user. But what we need is mailbox size, so we need to alter the command to return the required fields.

How To Check Mailbox Size In Outlook 2016

The field StorageLimitStatus indicates whether the user is above or below the storage limit. The field TotalItemSize shows the total size of a mailbox in bytes, we need to convert this size into MB or GB to make the value as user friendly.

Find Mailbox Size for all Office 365 users

You can use the powershell cmdlet Get-Mailbox to get all the mailboxes and pipe the results into Get-MailboxStatistics cmdlet to get mailbox size for all users.

Export Mailbox Size, Quota and Storage Limit Status Report to CSV

The below powershell script export mailbox name, userprincipalname, current mailbox usage size (TotalItemSize), storage warning quota (IssueWarningQuota), maximum size limit (ProhibitSendQuota) and size limit status (StorageLimitStatus) to csv file

Related Reads

The maximum configurable rules quota is 256KB; which should cover about 100 rules.

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Here is the closest official reference I could find (the documentation for the Powershell cmdlet Set-Mailbox): https://docs.microsoft.com/en-us/powershell/module/exchange/mailboxes/set-mailbox?view=exchange-ps

I couldn't find documentation specifically calling out this limit for the on-premises version of Exchange; but I did find a corroborating reference for a hard Exchange Online limit (which admittedly, isn't always the same):

How do i check my mailbox size in outlook 2016 for mac

How To Check Mailbox Size In Outlook 2016 Mac

https://docs.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/outlook-on-the-web/i...