Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Learn how to set up your user account for multifactor authentication with Microsoft 365.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

If you don't want to use OneDrive, the easiest solution is to unlink it. Follow the steps in Turn off, disable, or uninstall OneDrive, for how to unlink, hide, and uninstall OneDrive from your PC.

Learn how to troubleshoot and fix Bluetooth audio connection issues in Windows 10 and 11.

Learn how to reset your Microsoft Surface and solve problems using a USB recovery drive or Surface recovery image.

Device encryption helps protect your data and it's available on a wide range of Windows devices.

You can delete specific files or photos on Microsoft OneDrive, or you can delete entire folders and all the items in them. If you need to, you might be able to restore deleted files from the OneDrive recycle bin.

If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

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