Explains how to resolve relay-prohibited errors in an Outlook account.

Important: If you want to delete the last or the only email account you have in classic Outlook for Windows, you'll receive a warning that you must create a new location for your data before removing the account.For more information, see Create an Outlook Data File.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Discover the new features and improved communication methods in Outlook 2021 for Windows.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

OneDrive is your online cloud storage within Microsoft 365. It lets you store your individual work files that you don't want your colleagues to have access to unless you choose to share the files with them.

How to access your Microsoft account? If you have confirmed that your email is a Microsoft account, you can access it by following these steps:

We'll describe three connection types for keyboards and mice. Follow the description that applies to your mouse or keyboard’s connection type.

An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas. For example, you can count the number of characters that are contained in a range of cells, sum only numbers that meet certain conditions (such as the lowest values in a range or numbers that fall between an upper and lower boundary), and sum ...

This page provides phone numbers of Microsoft customer service.