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What is my Office 365/Volmail email quota and what are the folder count recommendations?

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Email Quota

Your Volmail/Office 365 mail quota is 50 GB.

To check your quota:

  1. Log in to and choose the Mail app.
  2. Go to the upper right corner and choose the Gear/Settings button.
  3. Under My app Settings choose Mail.
  4. On the left-hand side, click on 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 message
  • Calendar: 5,000 items
  • Contacts/People: 5,000 entries

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