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

You can open an Excel workbook and collaborate with others at the same time using co-authoring. This article will explain how.

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification

Choose how you want emails displayed in the message list, such as whether you want emails displayed as individual messages or as conversations.

Learn how to switch out of S mode to install apps from outside of the Microsoft Store or to upgrade to Windows 11.

If Scroll Lock is on, your cursor moves between columns and rows, not cells. Here's how to turn off Scroll Lock.

Help to fix install errors for Office, such as "can’t install Office", "something went wrong" or situations where install hangs or activation fails.

The steps below will help you add a Gmail account to new Outlook, or manage an existing account by deleting it or making it your primary account. Add a new Gmail account. On the View tab, select View settings.

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.

This page provides phone numbers of Microsoft customer service.