Summary. This article describes the protection against the publicly disclosed Secure Boot security feature bypass that uses the BlackLotus UEFI bootkit tracked by CVE-2023-24932, how to enable the mitigations, and guidance on bootable media.A bootkit is a malicious program that is designed to load as early as possible in a devices boot sequence to control the operating system start.

Download our Formulas tutorial workbook. We've put together a Get started with Formulas workbook that you can download. If you’re new to Excel, or even if you have some experience with it, you can walk through Excel’s most common formulas in this tour.

After your PC restarts to the Choose an option screen, select Troubleshoot > Advanced options > Startup Settings > Restart.You may be asked to enter your BitLocker recovery key.

If the Encrypt contents to secure data check box is selected, you have to have the certificate that was used to encrypt the file or folder to be able to open it. In this situation, you should obtain the certificate from the person who created or encrypted the file or folder, or have that person decrypt the file or folder.

For the website(s) you would like to allow scripting, enter the address within the Add this website to the zone text box and click Add. Note: If the address does not begin with "https:", you many need to uncheck "Require server verification (https:) for all sites in this zone".

First time, infrequent senders, or senders marked [External] - While it's not unusual to receive an email or Teams message from someone for the first time, especially if they are outside your organization, this can be a sign of phishing.Slow down and take extra care at these times. When you get an email or a Teams message from somebody you don't recognize, or that Outlook or Teams identifies ...

There isn't a way to determine with absolute certainty the codec used to compress a file, but the following are your best options: To determine what codec was used with a specific file, play the file in the Player, if possible.

Learn how to enable live captions in Teams meetings and see real-time subtitles for what's said. Improve your accessibility and comprehension.

Set a duration for your status. When you want to change your status for a specific period of time—for example, to set Do not disturb for an hour of concentrated work—you can set a duration so that Teams will automatically reset your status at the end of the allotted time.. You can set durations for any status except Available.. Select your profile picture > current status > Duration.

May 2024. Use Copilot after meetings. Ask Copilot questions about a transcribed meeting on your mobile device after it ends. Just tap the meeting on your Teams Calendar and tap Details or Recap.This is available in Teams Premium or a Copilot for Microsoft 365 license. To learn more, see Get started with Copilot in Microsoft Teams meetings.. Change your background while recording