Core Concepts for Office 365 (Microsoft 365): Explained Simply
If you’ve ever tried to wrap your head around Microsoft 365 and felt a bit overwhelmed, you’re definitely not alone. Between Exchange, OneDrive, SharePoint, Teams, Outlook, and all the different licenses, it can feel like a maze.
So let’s break it all down, in plain English, so you know exactly what each part does and how it fits into your business.
And if you want an easy setup with friendly Aussie support, HostingRoo can help you get started with Microsoft 365 without the stress.
What Is Microsoft 365?
Microsoft 365 (formerly Office 365) is basically your business toolkit in the cloud.
It includes the apps you already know; Word, Excel, PowerPoint, Outlook, plus cloud services that help your team work from anywhere.
In simple terms:
You get business email
You get cloud storage
You get collaboration tools
You get always‑updated Office apps
If you’re also looking for hosting or a domain to go with your new email setup, you can grab everything in one place through our Web Hosting and Domain Registration pages.
What Is Exchange Online?
Exchange Online is the engine behind your business email.
If you’ve ever used Outlook for work, Exchange is what powers it.
What it gives you:
A professional email address (yourname@yourdomain.com)
A large mailbox (50GB or more)
Shared calendars
Contacts and distribution lists
Spam and malware filtering
It’s reliable, secure, and works on every device — phone, laptop, tablet, you name it.
If you’re moving from another provider, HostingRoo can help with zero‑downtime email migration as part of our Microsoft 365 setup service.
What Is OneDrive?
OneDrive is your personal cloud storage.
Think of it like:
A private folder that follows you everywhere.
You can save files, sync them across devices, and share them when needed. It’s perfect for your own documents, drafts, and work‑in‑progress files.
What Is SharePoint?
If OneDrive is your personal folder, SharePoint is your team’s shared drive.
What it’s used for:
Team folders
Company‑wide documents
Policies and procedures
Intranets
Collaboration on shared files
SharePoint is where your organisation stores the files everyone needs access to.
If you’re building a new website or intranet, you might also want to check out our AI Site Builder — perfect for small teams wanting a simple, modern site.
What Is Microsoft Teams?
Teams is the central hub for communication.
It brings together:
Chat
Video meetings
File sharing
Team channels
Integrations with apps
Instead of juggling emails, group chats, and random file versions, Teams puts everything in one place.
What Is Outlook? (Desktop vs Web)
Outlook is the app you use to access your email.
Outlook Desktop
Installed on your computer
Full‑featured
Great for heavy email users
Outlook Web
Runs in your browser
No installation needed
Perfect for quick access or remote work
Both connect to the same mailbox — it’s just two different ways to open it.
What Is a Microsoft 365 License?
A Microsoft 365 license is simply the bundle of apps and services you’re paying for.
The most common business plans:
Business Basic – Email + Teams + cloud services (no desktop apps)
Business Standard – Everything in Basic + desktop Office apps
Business Premium – Standard + advanced security
If you’re unsure which plan fits your team, HostingRoo can help you choose the right one — and we’ll set everything up for you.
Explore plans: Microsoft 365 at HostingRoo
Why Choose HostingRoo for Microsoft 365?
Most providers just resell Microsoft 365. HostingRoo actually helps you use it.
Here’s what you get:
Friendly Aussie support (no overseas call centres)
Competitive pricing
Easy setup and migration
Help choosing the right plan
Everything under one roof — domains, hosting, email, and Microsoft 365
If you want Microsoft 365 without the headaches, we’ve got your back.
Explore our plans today!
