Quota Types

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It is very important you follow the best practices to maintain your quota and check your Gryph Mail quota regularly! 

When referring to quota at the University of Guelph, you have the following types:


Gryph Mail Quota

University of Guelph mailboxes on Office 365 have 50 GB of storage space. To check how much of your mailbox quota has been used, follow the instructions below:

How to check your Gryph Mail quota:

  • OWA (Outlook Web Application)
  1. Sign into the Office 365 Outlook Web app at  https://mail.uoguelph.ca
  1. Click on the Settings gear icon in the upper right corner of the window

The Gear Icon - Microsoft Outlook Web Applicatin (OWA) settings

  1. Scroll down and Select Mail under Your App Settings


  1. In the Options menu select General and then select My Account

Microsoft Office 365 Settings (the gear icon)

  1. At the bottom of the page, you will see your Mailbox usage


  • Outlook 2016
  1. Start Outlook.
  1. Right-click anywhere on the bottom Outlook bar.
  1. Click on the first option "Quota Information" and you will see that it switches to the "On" mode.
  1. You can now see the amount of free space left and the number of items you have in each folder, in the bottom left hand corner of the Outlook bar



What contributes to your Gryph Mail quota:

  • Your Inbox
  • Saved email messages
  • Copies of Sent mail
  • Trash or Junk folders
  • Attachments
  • Files attached to Calendar events

What happens when you exceed your Gryph Mail quota

Office 365 has three levels of quota, and it's only when you reach the last one that you can't receive any more mail.  The three levels are:

  1. Warning: Exchange will send you an e-mail telling you that your mailbox is almost full, and asking you to reduce your mailbox size.
  2. No send: at the next level, you will be unable to send any messages, but you can still receive mail. Again, you will receive messages from Exchange telling you what is happening.
  3. No send or receive: finally, as well as being unable to send messages, you will also be unable to receive them. Anyone trying to mail you will have their mail returned as ‘undeliverable’. Exchange will send you messages saying that your account has been ‘closed’: this does not mean you can’t log in and read or delete messages, it just means that you can’t send or receive mail. 

What to do if you receive a quota limit warning in Gryph Mail

  • Archive your email by moving email to the Archive folder.
  • Delete email from Trash and Sent folders
  • Delete old email with large attachments that are no longer needed.
  • To effectively find large messages, click on the 'Advanced Find' menu item and search for large files.  This approach can very quickly identify unwanted and redundant messages that are contributing significantly to storage consumption.​