Take a backup of Exchange mailbox to PST by using SysInspire EDB to PST Converter software. You can export your mailbox items very quickly and convert them into five other different formats. It can auto-detect the location of the EDB file that has been corrupted to get it repaired. Before the conversion, you can able to see a live preview of mailbox items. To use this tool, you cannot need to install an Exchange server on your computer.