Sign in via Web Browser (Easiest Method)
This method works on any computer without installing anything.
Steps
Go to:
👉 https://www.office.comClick Sign in
Select Account type: “Exchange” if the option appears
Enter your email address
Enter your password
Complete two-factor authentication (MFA) if prompted
Once you are logged in
Click Outlook to read your email
Click Apps to access Word, Excel, and other Office applications
You can also go directly to:
✅ Recommended when troubleshooting login issues.
Sign in via Outlook on a Computer
There are three different versions of Outlook available.
Outlook on the Web
No installation required
Always up to date
Works on any computer
Access via office.com
Outlook Classic (Recommended)
Outlook Classic is the traditional desktop version that has been used for more than 20 years.
It is stable and works best with Microsoft 365.
Download here:
https://support.microsoft.com/en-us/office/install-or-reinstall-classic-outlook-on-a-windows-pc-5c94902b-31a5-4274-abb0-b07f4661edf5
Add your account
Open Outlook Classic
Click Add Account
Enter your email address
Select Account type: “Exchange” if prompted
Enter your password
Complete MFA if enabled
✅ This is the version we recommend.
New Outlook (Windows)
New Outlook is a modern version that is often preinstalled on new computers.
⚠ Important limitation
Microsoft 365 accounts (for example Business Basic) cannot always be used as the first or primary account in New Outlook.
This means:
You may need to add a personal account first (for example Outlook.com or Gmail)
After that, you can add your Microsoft 365 account
If problems occur, we recommend either:
Installing Outlook Classic
Or using the web version
Sign in via the Outlook App (Mobile)
We recommend using the Microsoft Outlook mobile app.
Install the app
iPhone: App Store
Android: Google Play
Search for: Microsoft Outlook
Sign in
Open the Outlook app
Tap Add Account
Select Account type: “Exchange” if prompted
Enter your email address
Enter your password
Complete MFA verification
The Outlook app allows you to:
Send and receive email
Manage your calendar
Sign in and verify your account
Difference Between Web and App
Web Version | Outlook App |
No installation required | Requires installation |
Works on all computers | Faster and more integrated |
Good for temporary use | Recommended for daily use |
Important Information
Microsoft 365 accounts cannot be the primary account in the New Outlook for Windows.
If you experience problems, we recommend using the web version via office.com.
If you cannot log in, first test the web version to confirm that the account works.