The personal folders on Microsoft Outlook contain the email messages, calendar information and contact details that you store while using the software. The information in each personal folder is stored in an Outlook data file with a “.pst” extension, so that you can easily export the data to another computer. If you have duplicate personal folders on Outlook, or folders that you no longer use, then you can close the Outlook data file to delete the folder from the Outlook navigation pane. Tips Writer Bio
