To assign a user or group Deny permissions to the Usbstor.pnf and Usbstor.inf files, follow these steps: Start Windows Explorer, and then locate the %SystemRoot%\Inf folder. Right-click the Usbstor.pnf file, and then click Properties .

Go to Start > Settings > Accounts > Sign-in options. Select Security Key. Select Manage and follow the instructions. Go to the Microsoft account page and sign in as you normally would. Select Security > More security options. Select Add a new way to sign in or verify. Select Use a security key.

All Outlook.com users benefit from spam and malware filtering. For Microsoft 365 Family and Microsoft 365 Personal subscribers, Outlook.com performs extra screening of the attachments and links in messages you receive.

When you are prompted to enter a BitLocker recovery key, take note of the first 8 digits of the recovery key ID. The recovery key ID helps identifying which recovery key to use, in case you have more than one. Where can I find a BitLocker recovery key?

In this article, we discuss the two most common ways to sign into SharePoint: Go to m365.cloud.microsoft and sign in to your work or school account. For multiple accounts, refer here. In the upper left corner of the window, select App launcher > SharePoint.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Autofill in Microsoft Authenticator has been a way to securely store and autofill passwords on apps and websites you visit on your phone. Microsoft is streamlining autofill so you can use saved passwords easily across devices. As part of these updates, autofill in Microsoft Authenticator will be discontinued from July 2025.

To protect your environment, complete the following steps for certificate-based authentication: Update all servers that run Active Directory Certificate Services and Windows domain controllers that service certificate-based authentication with the May 10, 2022 update (see Compatibility mode).

If you forgot your work or school password, never got a password from your organization, or have been locked out of your account, you can use your security info and your mobile device to reset your work or school password. Your administrator must turn on this feature for you to be able to register your information and reset your own password.

Microsoft has identified an issue impacting Windows endpoints that are running the CrowdStrike Falcon agent. These endpoints might encounter error messages 0x50 or 0x7E on a blue screen and experience a continual restarting state.