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  3. How to check the size of an Exchange mailbox in Outlook

How to check the size of an Exchange mailbox in Outlook

  1. In Outlook, select the top line of your email account or a shared mailbox.

  2. Click Folder.

  3. Click Folder Properties.

  4. Click the Folder Size button.

  5. Select the Server Data tab.

  6. Find the value for Total Size - divide by 1,000 for MB or 1,000,000 for GB.