Now, email is one of the major modes of business communication, a huge number of emails are exchanged daily. In most cases, Exchange Server individual mailboxes have a fixed size limit by default while creating an account. Touching the threshold of the mailbox quota means a problem for new incoming emails.
To avoid this situation, it is important for the users to know How to Preview & Change Exchange Mailbox File Size. Even user go for tips to reduce exchange mailbox database size via Powershell. But In this post, we will be sharing some easy techniques of knowing these to the readers. As some additional tips, we will also discuss how to set the password for the Exchange User Mailbox.
Before changing the mailbox size limit, the user can preview all statistics related to the mailbox. For that, Powershell commands that can be used to view different aspects of Exchange Mailbox size. To view the Total number of mailbox created with the Exchange Server.
Use command: get-mailbox
It will display “Alias Name, Server Name, and ProhibitSend Quota or mailbox storage quotas” for a specific mailbox. If mailboxes exceed a specified quota limit, notification is sent to mailboxes owner.
First, we need to understand mailboxes details of Exchange Mailboxes, for that basic command used:
Get-MailboxStatistics - server name
After running the command get the result of Item count, Last Logon Time details.
The first command that we will discuss is how to know the individual mailbox size of every Exchange user. Using this command, we will also be able to know the item count of each mailbox. Here the user can view all the mailbox details and Last logon Time of to the mailboxes.
View Specific User Details
Now to view specific user details such as a number of items of the user mailbox and size of these items so that if the size reached to limit can be increased. Get-MailboxStatistics | ft DisplayName, TotalItemSize, ItemCount
After running above command, a user needs to provide the mailbox name and according to user details, data will be displayed:
View Details in Descending Order
If the hundreds number of user configured with Exchange then to know which mailboxes reaching its size limits, for that, you can use below query to sort or filter size according to “Megabytes” and Items Count
EX: Get-MailboxStatistics -server ost | Sort-Object TotalItemSize -Descending | ft DisplayName,@{label=”TotalItemSize(MB)”;expression={$_.TotalItemSize.Value.ToMB()}},ItemCount Export Details
To view all mailboxes details in text format, a user can export them into CSV or Text file format, for text file user command:
Get-MailboxStatistics -server ost | Sort-Object TotalItemSize -Descending | ft DisplayName,@{label=”TotalItemSize(MB)”;expression={$_.TotalItemSize.Value.ToMB()}},ItemCount > c:\mailbox.txt
In case someone is interested to know if their mailbox size is beyond or below the quota, they can use this command. Using these commands, users can easily view the mailbox size. If the size is reaching the threshold and they require more space, they can change the mailbox size in MS Exchange. Now in below section, we change the mailbox size limit in Exchange Server.
In case you are not comfortable with GUI, simply use this command to change the Mailbox size:
Here, the exception will be made in the mailbox of a user named Alice and the new mailbox size will be 25 GB.
In the Older version of Exchange 2010, few more steps are needed as the comparison to New version of Exchange 2013/2016. Follow the simple command to increase /change the size of Exchange mailboxes.
Note: Make sure the box beside Use Mailbox database Defaults is not checked. Then the users will be allowed to set limits on the three options according to their choice, similar to above screen.
In Latest Exchange 2013/2016 version, it easy to change mailboxes size of the user within few clicks. With EAC it becomes only a few steps process:
Change Database Mailbox Size
Change Exchange Individual Mailbox Size
Additional Tips: How to Reset Password of Exchange Mailbox
Only Exchange Server Admins or Exchange members with Admin permission are eligible to make password configuration. If a mailbox is given to someone else or the mailbox owner forgets the password, the necessity to reset Exchange Mailbox arises. Here is how to reset the mailbox password of Exchange.
Exchange mailbox file size quota often causes problems for the users if they are unaware of the current size of their mailbox. In case the mailbox is reaching the limit, it becomes necessary to change the mailbox size quota. In this content, we have described some easy solutions to view and change Exchange Mailbox size. Additionally, we have also included techniques of viewing mailbox permission in Exchange and resetting mailbox password. It is expected that users will get benefited by learning these techniques.
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