someone chaged the language on my wife's email to vienamese rather than englih

Hi,

I will help you with this issue; you can come back to reply anytime here since this is forum support not a live chat 🙂

The language probably was changed because the account was hacked.

MUST DO STEPS

1. Go to https://account.microsoft.com and sign in with your Microsoft account.
2. Change the password
   • Select Security.
   • Click Password security.
   • Enter your current password.
   • Enter and confirm the new password.
   • Select Save.
3. Sign out everywhere
   • Open Security → Advanced security options.
   • Scroll to Sign me out.
   • Select Sign me out everywhere to end all active sessions on devices and browsers.
4. Enable two-factor authentication (2FA)
   • Go to Security → Advanced security options.
   • Find Two-step verification.
   • Select Turn on.
   • Follow the prompts to add a verification method such as the **Microsoft Authenticator app, phone number, or email.
   • Complete the setup to activate two-step verification.

STEP 2:

https://outlook.live.com/mail/options/general/timeAndLanguage Go to this page, to change the language.

I look forward to hearing from you to get the results of the troubleshooting.

I am waiting