.OLK14MAILACCOUNT File Extension

File created by Microsoft Outlook for Mac, an email application first released for Mac in the 2011 edition; stores email account settings, including connection and login information; used for storing the account details that allow users to download email and synchronize calendars.

Outlook automatically saves account information to OLK14MAILACCOUNT files within the following directory in Mac OS X:
[user]/Documents/Microsoft User Data/Office 2011 Identities/Main Identity/Data Records/Mail Accounts/