Training: With OneDrive, you can sync files between your computer and the cloud, so you can get to them from anywhere.

Here are some answers to the frequently asked questions about the OneDrive desktop app for Windows.

Certificate authority (CA) A certificate authority is an entity similar to a notary public.It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.

Many users find that using an external keyboard with keyboard shortcuts for Microsoft Teams on Windows helps them work more efficiently. For users with mobility or vision disabilities, keyboard shortcuts can be easier than a touchscreen and are an essential alternative to a mouse.

Fixes an issue in which applications that use the MFC library of Visual C++ 2013 may behave incorrectly when the operating system is in high-DPI mode.

Learn how to open, navigate, and troubleshoot File Explorer in Windows, with answers to common questions and support assistance.

Defragment your Windows 10 PC. Optimizing your drives can help your PC run smoother and boot up faster.

Optimizations for windowed games improves gaming on your PC by using a new presentation model for DirectX 10 and DirectX 11 games that appear in a window or in a borderless window.

Learn how to concatenate text strings in Excel using the CONCATENATE function. Our step-by-step guide makes it easy to join two or more text strings into one.

Change the display size of messages. When you compose, reply to, or forward an email message, and the message body (including the text) appears larger or smaller than the size that you typically see, you might have changed the zoom view setting.