If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

Reset a forgotten Microsoft account password. If you know your password, but just want to change it, go to account.microsoft.com Security tab, and select Change my password . If you know your username and password but they have stopped working, read My username and password have stopped working. 1.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page. You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Troubleshooting verification code issues. Avoid and report Microsoft technical support scams. Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

All Outlook Data Files (.pst) and Offline Data Files (.ost) are listed along with the name of the account the files are associated with. If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address. If you see a message that says "We couldn't find an account with that username." or "That Microsoft account doesn't exist", then the address you entered is not a Microsoft account. If you believe it should be:

Troubleshoot problems with Microsoft Authenticator. You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors. If you're using mobile data, try switching to Wi-Fi and vice-versa.

If you already have a personal OneDrive account set up, you can only add work or school accounts. Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help and Settings icon then Settings .) Go to the Account tab. Select Add an account.