See Outlook file types.
"OST file." YourDictionary, n.d. Web. 13 October 2018. <http://www.yourdictionary.com/ost-file>.
OST file. (n.d.). Retrieved October 13th, 2018, from http://www.yourdictionary.com/ost-file
Yes, I'd like to receive Word of the Day emails from YourDictionary.com
By continuing, you agree to our
Please set a username for yourself.
People will see it as Author Name with your public flash cards.