Iniobong Nkanga 1,661 Reputation points


Please i need your help on this issue.

One of our staff her mailbox is almost full.

Please how to do i prevent this issue.

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A family of Microsoft email and calendar products.
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Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Dave Patrick 426.1K Reputation points MVP

    You could follow along here.


    --please don't forget to upvote and Accept as answer if the reply is helpful--

  2. Yuki Sun-MSFT 40,331 Reputation points

    Hi @Iniobong Nkanga ,

    To deal with the current situation, you can refer to the methods in the document shared by Dave to help trim the size of this user's mailbox.

    Or as an Exchange administrator, you can increase the mailbox quota for this user, by following the document below, suppose your organization is using Exchange Online:
    Increase or customize Exchange Online mailbox size

    Please how to do i prevent this issue.

    1. From the perspective of end-user side, I'd recommend sharing the best practices in the link provided by Dave to keep the mailbox size under control:
      • Archive older items
      • Empty the Deleted Items folder
      • Empty the Junk Email folder
      • Store attachments outside your mailbox
    2. From the perspective of the Exchange administrator side, you can enable the archiving for the mailbox and create retention policies against the Exchange mailboxes to retain and delete mails automatically. Some documents for reference:

    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".

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