If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version. Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

Explore subscription benefits, browse training courses, learn how to secure your device, and more. Microsoft 365 subscription benefits. Microsoft 365 training. Microsoft security. Accessibility center. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge. Ask the Microsoft Community.

Possible causes. Make sure your PC, the external display, and the cable all support DisplayPort or MHL alternate modes. Make sure the device or dongle is connected directly to your PC. Make sure the device or dongle is connected to the USB-C port on your PC that supports the correct Alternate Mode.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically. Wait for the "Listening..." alert before you start speaking.

Create a presentation in PowerPoint. Create presentations from scratch or start with a professionally designed, fully customizable template from Microsoft Create. Tip: If you have Microsoft Copilot it can help you create a presentation, add slides or images, and more.

Wired connections: Activate and use any wired connections, including Ethernet, USB, and Serial communications between your device, the internet, and other devices. Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device.

When you copy text from a Word document, webpage, or other app's document and paste it into a Word document, you can choose how the text is formatted. You can keep the original formatting, merge with the destination formatting, or paste just plain text.