Apple mail exchange change username

A very specific question!

To change the username in Apple Mail's Exchange account settings, follow these steps:

  1. Open Apple Mail on your Mac or iOS device.
  2. Click on the "Mail" menu and select "Preferences" (or use the keyboard shortcut Command + comma).
  3. Click on the "Accounts" tab.
  4. Select the Exchange account you want to modify from the list of accounts.
  5. Click on the "Account Information" tab.
  6. Click on the "Username" field and enter the new username you want to use.
  7. Click "OK" to save the changes.

Alternatively, you can also change the username in the Exchange account settings on your iOS device:

  1. Open the "Settings" app on your iOS device.
  2. Tap on "Mail, Contacts, Calendars".
  3. Tap on the "Exchange" account you want to modify.
  4. Tap on "Account" or "Account Info".
  5. Tap on the "Username" field and enter the new username you want to use.
  6. Tap "Save" to save the changes.

Note that changing the username may affect your ability to access your Exchange account, so make sure to update any other devices or applications that use the same account credentials.