Outlook - Web Mailbox Cleanup

This article will walk you through cleaning up your Outlook Mailbox, deleting mail to free up storage for new mail.

Cleaning Up Your Mailbox

Open Outlook from MyApps - https://myapplications.microsoft.com/
Select the Gear icon in the menu on the top right to expand the settings and select View all Outlook Settings
In the expanded Settings Menu select General and then Storage
Your Mailbox storage will be broken down by folder. By selecting the Empty drop down next to each folder you will be presented with four options. Select the time range that is best for your needs. The Cleanup process may take some time depending on the volume of mail processed and may appear unresponsive at times, this is expected behavior. Please be patient when cleaning up in the 6-12 Month range.
- Important: Do not empty the Deleted Items folder first. This folder should be cleaned up last.
When done with Cleanup, now empty the Deleted Items folder. Be sure to select the option All.
- Emptying the Deleted Items folder may take some time depending on the volume of mail processed and may appear unresponsive at times, this is expected behavior