Changes

The file extension .pst is a type of file format used in the software program Microsoft Outlook to maintain email files other than in a users active mailbox.  .Pst files have a limitation that they are not able to be opened by more than one user at a time without additional software.  It is possible however to copy .pst files to numberous users as long as the .pst is not in use by Outlook.

The file extension .pst is a type of file format used in the software program Microsoft Outlook to maintain email files other than in a users active mailbox.  .Pst files have a limitation that they are not able to be opened by more than one user at a time without additional software.  It is possible however to copy .pst files to numberous users as long as the .pst is not in use by Outlook.