» Make sure you have set Server address to exchange.memotoo.com

» Try again to synchronize if you have an error (eg: 8004010F) at the first synchronization

» When you add a contact, select Memotoo for CREATE CONTACT IN to add this contact in Memotoo

» If you have problems with date and hours, verify you have the same timezone in Memotoo and on your device, and verify if DST (Daily Saving Time) is activated in both or not.