What is Microsoft Exchange Online?

Exchange Online is part of the Microsoft 365 and Office 365 suite of products. Microsoft Exchange Online is a cloud based messaging platform that delivers email, calendar, contacts, and tasks.

What is Exchange Web Services?

Exchange Web Services was first introduced with the Exchange Server 2007. Since then, it has provided IT administrators and companies with easy means to manage, store, retrieve, and modify their data. Your IT admins can also configure the Exchange Server.

What is Exchange ActiveSync and how does it work?

When you use a Microsoft Exchange account, email messages — along with calendar information and other Outlook details — are generally kept in sync between your Outlook client on a computer or mobile device and the Exchange server. This most often happens using a technology called Exchange ActiveSync.

Does Android have an exchange API?

It seems that Google has added an Exchange API to the suite of email APIs in Android. (The reason I said infinite is that you can set Exchange Server up to do almost anything, so any administrator can break the ability of any program to access an Exchange server - even the full version of Outlook running in Windows.