Help Center
Getting started
What to expect when ThreeBIT takes over your IT (Admin-as-a-Service onboarding)
A step-by-step guide to the ThreeBIT Admin-as-a-Service onboarding journey — from the first inventory through to day-to-day managed IT support.
Email setup
Set up your Microsoft 365 email in Outlook (Windows)
Add your ThreeBIT-managed Microsoft 365 mailbox to Outlook for Windows in a few steps.
Set up your Microsoft 365 email in Outlook (Mac)
Add your ThreeBIT-managed Microsoft 365 mailbox to Outlook for Mac in a few straightforward steps.
Set up your Microsoft 365 email in Outlook (iOS and Android)
Add your ThreeBIT-managed Microsoft 365 mailbox to the Outlook mobile app on your iPhone, iPad, or Android device.
Set up your Microsoft 365 email in Thunderbird
Connect your ThreeBIT-managed Microsoft 365 mailbox to Mozilla Thunderbird using IMAP and modern authentication.
Set up your Microsoft 365 email in Apple Mail
Connect your ThreeBIT-managed Microsoft 365 mailbox to Apple Mail on Mac, iPhone, or iPad using the built-in Exchange support.
Set up your Microsoft 365 email in Gmail on Android
Add your ThreeBIT-managed Microsoft 365 mailbox to the Gmail app on your Android device using Exchange or IMAP.
Microsoft 365 email server settings (IMAP, SMTP, Exchange)
A quick reference for the IMAP, SMTP, and Exchange server addresses and ports used by Microsoft 365 — useful when setting up email manually in any app.
Teams & collaboration
Sign in to Microsoft Teams for the first time
Install Microsoft Teams and sign in with your ThreeBIT-managed Microsoft 365 account on desktop and mobile.
Account & security
Set up multi-factor authentication with Microsoft Authenticator
Protect your ThreeBIT-managed Microsoft 365 account by configuring the Microsoft Authenticator app as your second sign-in factor.
Reset your Microsoft 365 password
Use the self-service password reset tool to regain access to your ThreeBIT-managed Microsoft 365 account without waiting for IT support.
Access shared mailboxes and calendars in Outlook
Learn how to open a shared mailbox or calendar in Outlook on the desktop and on the web, and how to send messages from a shared address.