how to sync office 365 and iphone contacts

See this article for more information on which calendars you can sync.

Click Sync next to the Clio calendar you wish to sync.If given the option to choose which tier, please select the Business Standard account.Click Set Up Sync next to Office 365 contacts and calendars.The Office 365 Contacts/Calendar sync is only possible with the Business Standard tier, as such you will need to use the Business Standard account credentials for both the Contacts/Calendar sync and OneDrive.At this time Clio is unable to differentiate the different tiers because they are all under the Microsoft umbrella.For additional information about how Clio integrate with Office 365, please refer to this article.Thus files uploaded to the Business will not show up in the Personal. For example, the OneDrive logged in with the Business tier is entirely separate from the OneDrive logged in with the Personal tier.

All these tiers provide similar features such as Email, Skype, OneDrive, Word, etc.In the latter case, Microsoft will ask you to choose which account you're trying to use as shown below. The login for these tiers can have the same emails but different passwords or the same emails and passwords.Note that the Office 365 Contacts/Calendar sync is only possible with the Business Standard tier.Business (Used to log in to Office 365).They are entirely separate from each other and require different credentials to access. Microsoft has different tiers for their various services.

Authentication issue when using more than one Microsoft account ( tier ).

Integrating OneDrive with your personal Microsoft account.

Syncing Contact / Calendars with your Office 365 account.

How to sync office 365 and iphone contacts