How do I change an Outlook password when I cannot sign in on iPhone?
Answer
Reset the Microsoft account password on Microsoft’s official account site first, then remove and re-add the Outlook account in iPhone Settings > Mail > Accounts so Mail stores the new password. A “can’t get to the server” message often clears after the password is updated and the account is added again.
Before you start: stop right away if…
- Stop if a site or popup asks you to pay to unlock the account or install unknown software.
- Removing an account from Mail removes that account’s mail from the phone until you add it again; confirm web access first.
Follow these steps
Reset the password on Microsoft’s site
On a browser, go to account.microsoft.com or the official Microsoft password-reset page, enter the Outlook email address, and complete Forgot password using Microsoft’s recovery options.
You should see: Microsoft accepts a new password, or clearly explains which recovery step is still needed.
Confirm browser sign-in works
Sign in at outlook.live.com or office.com with the new password to confirm the account itself works before changing iPhone Mail.
You should see: Web Outlook or Microsoft account pages open with the updated password.
Restart the iPhone
Restart the iPhone so Mail and network services reload cleanly after the password change.
You should see: The iPhone finishes restarting and returns to the Home Screen.
Review the existing Mail account
Open Settings > Mail > Accounts and select the Outlook or Microsoft account. If Mail still shows a password or server error, continue to re-add rather than repeatedly retrying the old saved password.
You should see: You can see the account entry and its current error state.
Remove and re-add the account
Delete the problem account from Settings > Mail > Accounts only after you can reach web mail, then choose Add Account, pick Microsoft Outlook or Microsoft Exchange as appropriate, and sign in on the Microsoft page that opens with the new password.
You should see: Mail finishes setup and starts syncing without the previous server or password error.
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Extra tips
What to look for: Outlook or Microsoft sign-in failures on iPhone Mail, including messages that the server cannot be reached, plus whether browser sign-in at account.microsoft.com works.
Before you change anything: Confirm the exact Microsoft / Outlook email address. Prefer resetting the password on Microsoft’s official site before deleting mailbox data. Note whether other Microsoft apps still sign in. Never share passwords or one-time codes with unexpected callers.