The Basics of Search. Returning search results is no easy feat, and involves complex, near-instantaneous algorithmic calculations. A search for something as simple as “cat” could yield over 55 million results.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

To capture someone's attention in an email or meeting invite, type the @ symbol followed by their name within the message or invite. Doing so will highlight their name and prompt Outlook to add them to the To line, ensuring they notice, and add the @ symbol next to their message in the Inbox.

Manually download a language for Cortana speech. Go back to Settings > Time & language > Language, select your new language, and then use the up-arrow button to move it to the top of the list and make it the default.

Learn how to receive a refund or exchange for items purchased from Microsoft.

Learn how to keep your Microsoft account safe, including making a strong password, identifying safe emails, and reviewing account activity.

Find out how to turn on Game Mode while playing a game on your Windows 10/11 device.

Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.

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.

Learn how to open an encrypted email in Outlook, Outlook on the web, or read a protected message with a single-use code.