1. Outlook – free personal email and calendar from Microsoft

    https://outlook.live.com/OWA/

    Get free Outlook email and calendar, plus Office Online apps like Word, Excel and PowerPoint. Sign in to access your Outlook, Hotmail or Live email account.

  2. Microsoft account | Sign In or Create Your Account Today ...

    https://account.microsoft.com/account/msn

    Just sign in and go. Access your favorite Microsoft products and services with just one login. From Office and Windows to Xbox and Skype, one username and password connects you to the files, photos, people, and content you care about most.

  3. How to Add an Additional Email Account to Outlook ...

    https://www.bettercloud.com/monitor/the-academy/add-another-account-outlook/

    From the File tab, select + Add Account or Account Settings -> Account Settings. Enter your information in the Add Account dialog box: full name, complete email address, and password you use for that account. Click Next. Your account will automatically be configured. Click Finish. You’ll be notified when the configuration is complete. Click OK.

  4. Change the email address or phone number for your ...

    https://support.microsoft.com/en-us/account-billing/change-the-email-address-or-phone-number-for-your-microsoft-account-761a662d-8032-88f4-03f3-c9ba8ba0e00b

    Under Sign-in preferences, select Change sign-in preferences. Either select the check boxes next to the aliases you want to use to sign in, or clear the check boxes for the aliases that you don’t want to use to sign in, and then select Save.

  5. Open and use a shared mailbox in Outlook - Office Support

    https://support.microsoft.com/en-us/office/open-and-use-a-shared-mailbox-in-outlook-d94a8e9e-21f1-4240-808b-de9c9c088afd

    Sign in to your primary account in Outlook for iOS or Android. Tap the Add Account button in the left navigation pane, then tap Add a Shared Mailbox . If you have multiple accounts in Outlook Mobile, select the account that has permissions to access the shared mailbox.

  6. Send email from a different address in Outlook.com - Outlook

    https://support.microsoft.com/en-us/office/send-email-from-a-different-address-in-outlook-com-ccba89cb-141c-4a36-8c56-6d16a8556d2e

    To do this, you need to connect another email account to your Outlook.com account. See Add your other email accounts to Outlook.com to learn more. You can also add an email address in Outlook.com and send email from that address. Send email from a different email address. In the compose window, select > Show From to see the From line.