My suggestion is to use a program called EA8 from click here This will backup all your email folders (and lots more useful stuff as well) You can then selectively restore or restore all. I have using this prog and its predecessors for years
Huawei P10 review
1995-2015: How technology has changed the world in 20 years
An overview: What leading creative agencies are doing to improve diversity
New iPad, iPhone SE & Red iPhone 7 on sale now
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.