You first need to create a rule to put a copy of the messages you send into the "Sent Items" folder in the .pst file.

  1. Chooose Tools | Rules and Alerts.
  2. Click the New Rule button.
  3. Click Start Blank Rule.
  4. Click Check messages after sending and click Next.
  5. Check "through the specified account".
  6. Click "specified" and choose the account this rule applies to (e.g, Microsoft Exchange Server) and click OK.
  7. Check "Move a copy to the specified folder".
  8. Click "specified" and choose the folder to copy the messages (e.g, your Sent Mail folder in a .pst file) and click OK.
  9. Click Finish.

Next, you need to change your options so that a copy of the message is not saved in your "Sent Mail" folder on the Office 365 server.

  1. Choose Tools | Options | Email Options.
  2. Deselect "Save copies of messages in Sent Items folder".
  3. Click OK.
  4. Click OK on the client-rule message.
  5. Click OK.
Article number: 
Last updated: 
July 25, 2016