OST file conversion software – When emails erased by error from Outlook account, then addict reinstate it from offline storage files for the motive that OST files maintain reproduction of emails on Offline mode. OST File Conversion software converts offline storage files into a personal storage file format with all mailbox item and substance and lope on all editions of Windows OS such as Windows 9X/ME/NT/2000/XP/Vista/Windows 7/Windows 8.