See a list of options available for starting Windows in diagnostic modes such as safe mode.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

Want to add a padlock to your email messages? You can use S/MIME in Outlook on the web to increase the security of messages. A digitally encrypted message can only be opened by recipients who have the correct key.

With Power Query, you can search for data sources, make connections, and then shape that data (for example remove a column, change a data type, or merge tables) in ways that meet your needs. Once you’ve shaped your data, you can share your findings or use your query to create reports.

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

Hotmail artık Outlook.com’dur. Outlook.com, Hotmail, Live veya MSN e-posta hesabınıza erişmek için nasıl oturum açacağınızı öğrenin.

Learn about Unified Extensible Firmware Interface (UEFI) features and how to access them on Surface Pro 4, Surface Book, and Surface Studio.

How to create, edit, and run Excel macros to automate data entry and tasks.

To use your microphone with apps on Windows 10, you'll need to turn on some permissions in Microphone settings. Then, you'll need to check your app permissions if you want to use your microphone with apps.

This article describes a problem with CD or DVD drives not work, or is missing, or not recognized after installing or uninstalling programs.