How to sign in to Outlook on the web, access your email, contacts, and calendar.

Follow the steps in this article to help you cancel your Microsoft 365 subscription.

Learn more about how to find all your apps and programs in the all new Windows Start menu.

How to lock cells in Excel to protect your data. You can also unlock a range of cells and grant permissions to others to edit.

Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

Learn how to get Outlook set up to work with Microsoft 365, POP, IMAP, or Microsoft Exchange-based email accounts.

Master the art of Excel formulas with our comprehensive guide. Learn how to perform calculations, manipulate cell contents, and test conditions with ease.

Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.

Email messages that you receive can be saved as a file on your computer, or a message that you are composing can be saved as a draft and finished later.