How to import OLM file Ma Outlook 2011 to PST file format without any problem? Install and open OLM to PST Converter program on your Windows machine and perform the solution to import OLM file Ma Outlook 2011 to PST file format alongwith all attachments and formatting. Outlook email client installation not necessary for this process. For bulk import OLM files to PST format, users can opt batch facility of the software. Utilize free download copy of the software for getting complete information about the program.