I am trying to clear out my macbook air hard drive and have lots of files like this...x27_6199.olk14MsgSource. What are they and is is ok to delete them? Cheers!
iPhone 5s
Posted on Sep 26, 2016 8:50 AM
Q: .olk files - what are they and is is ok to delete them?
It is used by Outlook's address book.