The steps to permanently delete emails and reduce mailbox size are as follows: However, if you have configured Gmail or any other email account, the folder is named ‘ Trash‘. Note: If you have configured Exchange,, or Office 365 account, Outlook displays the ‘ Deleted Items‘ folder. For this, you can configure Outlook to empty the ‘ Deleted Items‘ or ‘ Trash‘ folder automatically after some time or you may manually empty the ‘ Deleted Items‘ or ‘ Trash.‘ Therefore, to manage the mailbox size, you need to delete the emails from your mailbox permanently. When you delete emails from your Outlook account, they are moved to the ‘ Deleted Items‘ or ‘ Trash‘ folder. Method 1: Empty the Deleted Items or Trash Folder If you face this error even after deleting and archiving the emails, follow the methods discussed below to resolve it.Ĭaution: Back up your mail items to PST via Outlook Import Export wizard before proceeding. However, it’s been observed that some users continue to see the Outlook mailbox is full message even after deleting the emails. Deleting or archiving email items reduces the Outlook data file size and removes the ‘Outlook mailbox full’ warning message. In such cases, users can delete emails and large attachments or archive the older emails to a PST file. When Outlook reaches the mailbox size limit, it starts displaying warning messages, such as ‘Your Mailbox is almost Full’ or ‘Quota Exceeded.’ When a profile is created on the email server, such as Exchange, the administrator allocates the default mailbox size for each user in the organization.

Outlook for mac send immediately