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Email: Office 365 Sending Limits

Office 365 email does have a limit to the number of email messages that can be sent at a single time.

Hard Sending Limits for Office 365:

  • 10,000 recipients per day
  • 500 recipients per message
A potential work around to the 500 recipient limit per message is to do a mail merge.  In a mail merge Office 365 sees each recipient as a separate message, however the 10,000 limit per day still applies.  For instructions on how to do a mail merge, see the following Microsoft article.

For a full list of Office 365 email limitations please see the following Microsoft article.





Keywords:email, smtp, send, limitation, Outlook, OWA, messages, restriction, limits   Doc ID:79444
Owner:Lindsay H.Group:Washington State University
Created:2018-01-18 11:18 PDTUpdated:2018-08-01 08:03 PDT
Sites:Washington State University, Washington State University - Spokane, Washington State University - Tri-Cities, Washington State University - Vancouver
Feedback:  14   7