Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Published August 2021. This article is intended for users who are not able to upgrade to Windows 11 because their PC is not currently Secure Boot capable.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

Learn common SharePoint Online tasks with these videos and tutorials, and get links to more training for SharePoint and Office 365.

Note: If you have a message open in its own window instead of the Reading pane, the Backspace key will not archive the message. You have to close the message and view it in the Reading pane for the Backspace keyto archive the message. When the message is open in a new window, the only way to archive the message is by using the Archive button on the ribbon.

Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.

If you've recently installed a Windows update and you are having a problem, here's how to uninstall the update to try to resolve the issue: Select the Start button, then select Settings > Update & Security > Windows Update > View update history > Uninstall updates. View update history settings

Depends on your Office installation type (Click-to-run or MSI-based), you'll see the following options to proceed with the repair. Follow the steps for your installation type.

Install language accessory packs after installing Microsoft Office, to add additional display, help, or proofing tools. Install the language accessory pack for your desired language.

This is a subscriber-only, Microsoft 365 feature. Find your version. Design ideas for one photo Applies to: PowerPoint for Microsoft 365 Current Channel: Version 1511 or later Semi-Annual Enterprise Channel: Version 1602 or later Multiple photos, color extraction, and facial recognition