ELI5: Explain Like I'm 5

Exchange ActiveSync

Okay kiddo, are you ready to learn about Exchange ActiveSync? It's a special technology that helps people who use Microsoft Exchange email accounts to check their emails on all kinds of devices, like phones and tablets.

When you use Exchange ActiveSync, it copies all of your emails, contacts, and calendar events from the Exchange server to your device so that you can see them even when you're not connected to the internet. That way, you can check your email whenever you want, even if you're on a plane or somewhere with no Wi-Fi or cell service.

And the best part is that when you read, delete, or reply to an email on your device, it syncs up with the Exchange server and updates your account, so that when you go back to your computer, everything is still up to date.

But why is this so special, you might ask? Well, it's because Exchange ActiveSync is really efficient and fast, so you don't have to wait forever for your emails to download or for your device to sync up with the server. Plus, it's really secure, because it uses encryption to make sure that no one can intercept your emails or steal your information.

So that's the basic idea of Exchange ActiveSync, kiddo. It might sound complicated, but it's actually a really useful tool for people who need to stay connected to their work email on the go.