Add or subtract dates. For an overview of how to add or subtract dates, see Add or subtract dates. For more complex date calculations, see Date and time functions.. Add or subtract time. For an overview of how to add or subtract time, see Add or subtract time.For other time calculations, see Date and time functions.. Need more help?

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

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.

Troubleshooting The people selection menus in Meeting options don't show invitees I've added to an occurrence of a meeting series. In this scenario, you will need to invite people to the meeting series, rather than to the meeting occurrence.

Install the S/MIME control. Get a certificate, sometimes referred to as a key or digital ID. The first step to use S/MIME is to obtain a certificate from your IT administrator or helpdesk.

On the Design tab, select Watermark.. In the Insert Watermark dialog, select Text and either type your own watermark text or select one, like DRAFT, from the list. Then, customize the watermark by setting the font, layout, size, colors, and orientation. If you don’t see the watermark, click View > Print Layout.This also shows how the printed watermark will look.

Customize once and enjoy everywhere. MSN allows you to personalize your experience and to take that experience with you on every device, including the MSN website and the MSN apps.

Important: Steps may be different between new and classic Outlook for Windows. To determine which version of Outlook you're using, look for File on the ribbon.If there's no File option, follow the steps under the New Outlook tab. If the File option appears, select the tab for Classic Outlook.

Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN.

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.