This article tells you how to add email accounts to the Mail and Calendar apps so you can start sending and receiving email and creating and managing events.

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.

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.

The new Outlook for Windows brings the latest features, intelligent assisted capabilities and a new modern and simplified design to your Outlook app.

While setting up the Phone Link app, you'll be prompted to enable access to your phone's messages.

Find and open File Explorer in Windows 10 and Windows 11, and customize Quick access by pinning and removing files and folders.

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。

Learn about passkeys and how they are used in Windows.

Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.

See how to install Project 2013 and 2016 and Project Pro for Office 365.