Windows 10: what will I lose if I delete a second microsoft account

I have 2 microsoft accounts, my original one with a third party email address & a new one I created with an Outlook.com email. This is as a result of trying to set up an outlook.com email account so that I can eventually delete the third party email address which I am leaving shortly. But what I have accidentally done is create 2 microsoft accounts.What I hope to do, is delete the original account, then add my third party email address as an alias on my new account, but I'm concerned that I will lose data.I have checked my third party email address via online log-in & my emails are all

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Want to DELETE second User Account at login

Hello, I'm using a Windows 10 PC and I am the only user. My administrator username is "John Doe".
Recently when I start the PC, I get 2 options for user login-"John Doe", where I click to enter my password and a second option to use a PIN, both have EXACT name "John Doe". The first option asks for a Password- it does not accept any PW I've associated with the account. When selecting the second option, the PIN box appears. I am then able to get to my desktop screen.

I want to do two things: 1) Delete the account that asks for the PW 2) Automatically login and go to my desktop screen. When I go to Control Panel user settings to delete it, there is only ONE account that shows. I've tried at least 6 solutions suggested, none have worked. Probably need step-by-step instructions. Thanks in advance.

 

Creating a MS account without losing Local account

Go to https://account.microsoft.com, click Create account and fill the form:





With a Microsoft account you can then use OneDrive and Office Online apps for free. You can also use built-in native Windows apps which require a Microsoft account like Mail, Skype Preview, People, Calendar and download apps from Windows Store.

See steps 3 to 5 in this tutorial to continue using local account as Windows sign-in account even when / if you download apps from store and / or use Windows apps requiring a Microsoft account, to avoid Windows user account converting to Microsoft account: Store - Use when Signing in to Windows 10 with Local Account - Windows 10 Forums

Other tutorials you might be interested in when you have created a Microsoft account:

• Microsoft Account Two-step Verification - Turn On or Off - Windows 10 Forums
• Microsoft Account - Link to Digital License on Windows 10 PC - Windows 10 Forums

 

Remove account

I suggest you backup your personalized files first before removing the account.
To delete an account, follow these steps:

1. Press WIN + X keys and click Command Prompt (Admin) from the menu.
2. Type the following command and press Enter. Replace test with the name of your sister's account. Code: