Information Technology Solutions

Information Technology Solutions

Manage mailbox quotas

If your mailbox size exceeds your mailbox quota (the maximum allowable mailbox size), you may be unable to send emails until you reduce your mailbox size. An automated email is sent to you when your mailbox is getting close to your mailbox quota. A separate email is sent if your mailbox size goes over its quota.

IMPORTANT: Do NOT reply to these emails—mailbox quota emails are automatically sent from an unmonitored mailbox.

Many Phishing emails are disguised as these types of quota emails asking you to reply and provide your user name and password. The information you provide through the phishing email can then be used to sign in to your mailbox, and hackers can send thousands of spam or malicious messages from your email address.

NOTE: IT Solutions will never request any personal information from you in an email.


Manage your mailbox

A small number of large emails or emails with attachments uses significantly more space than a large number of small emails without attachments. To free up space in your mailbox, follow these three email folder steps:

Deleted Items


In Outlook, on the Folder Pane on the left‑hand side, right‑click the Deleted Items or Trash folder, and then click Empty Folder. Do not use this folder as a file storage location.
right click deleted and then click empty folder

Empty Folder

In Outlook, on the Folder Pane on the left‑hand side, right‑click the Junk Email folder, and then click Empty Folder.
right click junk email and then click empty folder

Search Folders

  1. In Outlook, on the Folder Pane on the left‑hand side, right‑click Search Folders, and then click the New Search Folder menu.
    right click search folders and then click new search folder
  2. In the New Search Folder window, select Large mail, and then click OK. Outlook will create a new subfolder called Larger Than 100 KB in your Search Folders on the Folder Pane.
    click large mail and choose 100kb and then click ok
  3. On the Folder Pane on the left‑hand side, under Search Folders, click the Larger Than 100 KB subfolder. All the emails larger than 100 KB will display in order of size from largest to smallest, regardless of where the emails are stored in your mailbox (e.g., Inbox, Sent Items, Drafts, etc.).
    locate the large email in inbox
  4. Save your emails and attachments to a location other than your mailbox, and delete the large messages.
  5. Delete your large messages, on the Folder Pane on the left‑hand side, right‑click the Deleted Items or Trash folder, and then click Empty Folder (refer to Step 1).

← Back to Outlook Desktop Application

RRC Polytech campuses are located on the lands of Anishinaabe, Ininiwak, Anishininew, Dakota, and Dené, and the National Homeland of the Red River Métis.

We recognize and honour Treaty 3 Territory Shoal Lake 40 First Nation, the source of Winnipeg’s clean drinking water. In addition, we acknowledge Treaty Territories which provide us with access to electricity we use in both our personal and professional lives.

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