Do you mean "Outlook" or "Outlook Express"? In Microsoft Outlook, you should be able to keep the two copies the same by synchronising Outlook's .PST file. Get Windows to "search" for *.pst to find the location of the files.
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
This poetic animation about monsters is illustrated in a Van Gogh painterly style
Apple predictions 2017
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.