Easy to open OLM file on Outlook 2007 and all other Windows based email clients including Outlook 2013 with the use of OLM to PST converter tool. Resolutions for the query How to open .olm in Windows Outlook can be attained if incase one will make use of this prospective utility to open OLM in Outlook Windows in view of the fact that the tool has got adequate effectiveness as in with the intent to open OLM file on Outlook 2007 file format.