Microsoft Outlook: Email Quota and Folder Count Recommendations

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Email Quota

Your Microsoft 365 email quota is 100 GB for active staff, faculty, and students. (50 GB for retirees and alumni)

To Check Your Quota

  1. Log into Microsoft 365 and choose the Mail app.
  2. Go to the upper right corner and select the Gear/Settings button.
  3. Under Your app settings choose Mail.
  4. On the left-hand side, select General > My account.
  5. Mailbox usage is on the My account page.

Folder Count Recommendations

Microsoft recommends keeping your top-level Inbox, Sent Items, Calendar, or Contacts/People folders (subfolders excluded) below the recommended item counts below. You may experience slow or sluggish performance if the item count exceeds Microsoft's recommendation.

  • Inbox:  20,000 messages
  • Sent Items:  20,000 messages
  • Calendar:  5,000 items
  • Contacts/People:  5,000 entries

Details

Details

Article ID: 133505
Created
Wed 6/2/21 4:02 PM
Modified
Wed 10/18/23 3:01 PM
Environment
Microsoft 365