Office 365

Make sure on initial setup on a workstation that you go back into settings and choose all email in offline settings instead of 1 year

For Hybrid Exchange:

o update the username, follow these additional steps:

• 1. Open PowerShell

  2. Connect to the online service with the following commands:

  3. $msolcred = get-credential

     1. connect-msolservice -credential $msolcred

     2. (Note: Enter your Office 365 credentials when prompted)

  4. Enter the command to update the user name:

  5. Set-MsolUserPrincipalName -UserPrincipalName mary.osgood@contoso.onmicrosoft.com -NewUserPrincipalName mary.smith@contoso.com