How to solve quota exceeded issue in Microsoft Outlook 2016
How to solve disk quota full issue in outlook
1.Click "File" tab.
2.Click "Account settings".
3.Double click mail address.
4.Click "More Settings" button.
5.Click "Advanced" tab.
6.Check-in "Leave a copy of messages on the server".
7.Check-in "Remove from server after" and decrease day to 1.
Note: This process only works in POP3. It is stored on the mail server until it is downloaded via your e-mail client (Outlook, Netscape mail, your mobile, etc.) using POP3. After the e-mail has been downloaded to your client, it is removed from the server altogether after 1 day.There is very less chance of disk quota full in the server.
If you are still having disk quota full issue. Please consult system administrator to increase disk quota in mail server.