Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

When the numbers in a chart vary widely from data series to data series, or when you have mixed types of data (price and volume), plot one or more data series on a secondary vertical (value) axis. The scale of the secondary vertical axis shows the values for the associated data series. A secondary axis works well in a chart that shows a combination of column and line charts. You can quickly ...

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

Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

Windows 10 support ends on October 14, 2025. Upgrade to Windows 11 now to ensure continued security and feature updates. Learn more about the transition.

Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. Only the recipient who has the private key that matches the public ...

Learn how to install Windows 11, including the recommended option of using the Windows Update page in Settings.

Use Find my device to locate and lock your lost or stolen Windows devices.

Xbox Support

Find out why you are being asked to give parental consent before you can play Epic Game titles.