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Using BusyContacts with Office 365 (Microsoft Graph)

BusyContacts now supports syncing with Office 365 and Outlook.com accounts using Microsoft Graph API, Microsoft's modern cloud service platform.

Setting up Personal Outlook Accounts​

For personal accounts (outlook.com, hotmail.com, live.com):

  1. Open BusyContacts > Settings > Accounts
  2. Click the + (plus) icon to add a new account
  3. Select Office 365 (Microsoft Graph) from the Server Type menu
  4. Enter your email address and click OK
  5. Follow the authentication prompts in your web browser
  6. Once authenticated, BusyContacts will begin syncing your contacts

Setting up Enterprise Office 365 Accounts​

For work or school Office 365 accounts:

  1. Open BusyContacts > Settings > Accounts
  2. Click the + (plus) icon to add a new account
  3. Select Office 365 (Microsoft Graph) from the Server Type menu
  4. Enter your work email address and click OK
  5. Authenticate with your organization's login page
Admin Consent Required

If you see an "Admin Consent Required" message during setup, your IT administrator needs to grant BusyContacts permission to access your organization's contacts. Share our admin consent guide with your IT team.

Troubleshooting​

Contacts Not Syncing​

If some contacts aren't appearing:

  1. Ensure you're signed in with the correct account
  2. Check that contact syncing is enabled in your Office 365 settings
  3. Try refreshing: View > Refresh or ⌘R

Authentication Issues​

If you're having trouble signing in:

  1. Clear your browser cookies for login.microsoftonline.com
  2. Try using a different browser for authentication
  3. Ensure your Office 365 account has contact access enabled

Migration from Exchange (EWS)​

If you previously connected using Exchange (EWS):

  1. Remove the old Exchange account from BusyContacts
  2. Add a new Office 365 (Microsoft Graph) account
  3. Your contacts will sync with the new connection
  4. No data loss occurs during this transition
Future-Proof Your Setup

Microsoft has deprecated Exchange Web Services (EWS). Switching to Microsoft Graph ensures continued access to your Office 365 contacts.

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