Outlook Data Files contain your email messages, calendar, tasks, and other items on your computer.

Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

The customizable Quick Access Toolbar contains a set of commands that are independent of the currently displayed tab on the ribbon. You can move the Quick Access Toolbar from one of the two possible locations, and you can add buttons that represent commands to the Quick Access Toolbar.

Since the message will be out of sight in your Sent Items folder, we recommend you add a reminder for yourself. Reminders are alert dialog boxes that appear when follow up is due, just like the ones you see for upcoming meetings or appointments.

Automatically fill a series of data in your worksheet, like dates, numbers, text, and formulas. Use the AutoComplete feature, Auto Fill Options button and more.

Click New chat to start a one-on-one chat and send messages in Microsoft Teams. To start a group chat, just add people to the conversation.

Find app notifications from the taskbar in Windows 11, and in Windows 10, use quick actions to change settings quickly as well.

How to change your Outlook signature or add a signature. Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date.

You export contacts from Outlook using the Outlook Import and Export Wizard. You can export contacts to a csv file or Excel.

Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 to add additional display, help, and proofing tools to Microsoft 365.