How to use the INDEX function in Excel to return a value or reference to a value within a table or range.

If you forgot your work or school password, never got a password from your organization, or have been locked out of your account, you can use your security info and your mobile device to reset your work or school password.

You can add columns, rows, or cells to an Excel worksheet or delete them. Columns insert to the left, rows above, and cells above or to the left.

In Word, you can choose to paste text using the formatting of the source, destination, or just pure text. If you always want one of the options, set it as the default for pasted text.

Learn how to create and add a signature to email messages you send in Outlook.com.

Use the Block or Allow settings in Outlook Web App to help control unwanted and unsolicited email messages.

Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.

Set up text messages from the Security info page. Depending on your organization’s settings, you might be able to use text messaging as one of your security info methods.

Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.

Learn how to use Narrator, a screen-reading app built into Windows, with this complete guide and how-to articles.