I just thought of sharing this information.
1) Go to Edit on EndNote X7
2) Select Preferences
3) In the EndNote Preferences Window, select Sync (from the left hand side).
4) Go to EndNote Web Account Credentials
5) Type in the correct E-mail address and password (this e-mail address and password should be the same as the
one you use to log into the EndNote Online account).
6) Click on Apply and then OK
7) Now log into EndNote Online and sync using the sync icon in the EndNote X7 (this is the blue icon just before the