Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

These steps are the same whether you're adding your first iCloud email account or additional iCloud accounts to Outlook. Select a tab option below for the version of Outlook you're using.

Learn how to add Teams meetings to Outlook calendar using our step-by-step guide. Say goodbye to scheduling headaches and hello to seamless collaboration!

Learn how to set up your user account for multifactor authentication with Microsoft 365.

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

Linking Microsoft personal accounts. It’s not possible to link, merge or combine Microsoft personal accounts, and you can't you transfer such things as your game progress or gamertag, account purchases and balance from one account to another, but accounts can be used side by side.

How to use the FILTER function in Excel to filter a range of data based on criteria you define.

Add your Outlook.com, Microsoft 365, or Exchange-based email account to your iPhone, iPad, or iPod Touch using Outlook for iOS.

Enter your password and select the arrow to continue. You’re now signed in to Skype.