Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. For details and ...

Insert media into your slide Once you have a converted media file in a suitable format with the correct encoding, go back to the PowerPoint slide where you want to insert your video or audio file. On the Insert tab of the ribbon, click Audio or Video. (For complete details about inserting the media file, see Insert and play a video file from your computer or Add audio to your slides.)

Note: Linux users won't be able to open files with the desktop Office app and will need to use Office for the web.

可以在 Outlook 中更改邮件列表和阅读窗格的外观。 邮件列表中的电子邮件可以显示为单个消息或按对话分组。 为正在使用的 Outlook 版本选择以下选项卡选项。 我的 Outlook 是哪个版本 ？

Make conversations more accessible and inclusive with real-time text (RTT), available in Microsoft Teams meetings and calls. RTT is an accessibility feature that allows text to be transmitted instantly, character by character as it’s typed, without needing to press “send.” This leads to more natural text-based conversations, especially benefitting people who have hearing, speech, or ...

Fix your media file that won't play in PowerPoint. For a complete list of supported video formats, see Video and audio file formats supported in PowerPoint. Recommendations Video: We recommend that you use .mp4 files encoded with H.264 video (also known as MPEG-4 AVC) and AAC audio. This is your best bet for compatibility across both Windows and Mac versions of PowerPoint. Audio: We recommend ...

2. Include the right prompt ingredients To get the best response, it's important to focus on some of the key elements below when phrasing your Copilot prompts. 3. Keep the conversation going Following up on your prompts help you collaborate with Copilot to gain more useful, tailored responses.

For recent photos, use the Phone Link app from Microsoft Store. With this app, you do not need a USB cable to view and copy the most recent photos from your camera and screenshot folder.

If you are an enterprise user, see Microsoft Store apps - Configuration Manager. If you are a consumer user, see Get updates for apps and games in Microsoft Store.

In early 2024, National Public Data, an online background check and fraud prevention service, experienced a significant data breach. This breach allegedly exposed up to 2.9 billion records with highly sensitive personal data of up to 170M people in the US, UK, and Canada (Bloomberg Law). This article provides detailed information about the breach, the data exposed, and recommended actions to ...