Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

Training: When you first start Microsoft Outlook, you need to add an email account. You can add more than one account. Watch this online video to learn how.

In Outlook, Favorites can be found at the top of the folder pane; it includes shortcuts to folders you frequently use.The Inbox and Deleted Items folders are included in Favorites by default.. Select a tab option below for the version of Outlook you're using. What version of Outlook do I have?

Learn why you received a notification about unusual activity in your account and what to do next.

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

Learn how to join a Microsoft Teams meeting by link, calendar, channel, chat, or by calling in.

Find out how to manage your Xbox subscriptions to request a refund or cancel a recurring payment.

If you have multiple accounts in Outlook, when you compose a new email message, Outlook picks the default account as the From account.However, if you want to Reply, Reply All, or Forward a message, Outlook will send your message with the same account the original mail was sent to.For example, Cheryl has two accounts.

This step-by-step article describes how to add, modify, or delete registry subkeys and values by using a Registration Entries (.reg) file.

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.