If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.

Note: If you're using Microsoft 365, you should stay signed in so that Office stays activated.If you sign out, Office will prompt you to sign back in. To learn more, see What happens when you sign out of Office.

Learn more about simple formulas. All formula entries begin with an equal sign (=).For simple formulas, simply type the equal sign followed by the numeric values that you want to calculate and the math operators that you want to use — the plus sign (+) to add, the minus sign (-) to subtract, the asterisk (*) to multiply, and the forward slash (/) to divide.

Microsoft 365 provides powerful tools to help organize you and your family's lives. Empower you and your family through the Microsoft 365 Family subscription and learn how to create family calendars, share notes with a family notebook on OneDrive, and connect with your family on Microsoft Teams.

Use as wallpaper. Most of the daily images are available for download to use as wallpaper. Hover over the image headline and select Download today's image.If licensing restrictions don't allow downloads of a given image, there's a link to download the Bing Wallpaper app, which offers a library of images featured on Bing.

For superscript, press Ctrl, Shift, and the Plus sign (+) at the same time. For subscript, press Ctrl and the Equal sign (=) at the same time. (Do not press Shift.)

Note: In earlier versions of Outlook, IMAP accounts also used an Outlook Data File (.pst).In Outlook 2016 and Outlook for Microsoft 365, IMAP accounts use Offline Outlook Data Files (.ost). You can also use an Outlook Data File (.pst) to backup or export items from any type of email account.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Create and maintain an events database to manage upcoming events using this Access database. Powerful built-in and customizable event navigation and filtering let you track events by time (for example, Current Events, Events by Week, and Today's Events) as well as type, as you collect data in real time via email and generate and distribute useful and timely reports.

Instead of picking a built-in header or footer, you can choose a built-in element. Many elements (such as Page Number, File Name, and Current Date) are found on the ribbon.For worksheets, you can work with headers and footers in Page Layout view. For chart sheets or charts, you can work with headers and footers in the Page Setup dialog box.. Select the worksheet to which you want to add ...