Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.

如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。

Product. Knowledge Base article title and number. Access 2016. Description of the security update for Access 2016: December 10, 2024 (KB5002641) Excel 2016

Windows 11, version 21H2; October 8, 2024—KB5044280 (OS Build 22000.3260) September 10, 2024—KB5043067 (OS Build 22000.3197) August 13, 2024—KB5041592 (OS Build 22000.3147)

The web browser sign-in experience is changing when you sign in to any product or service using your Microsoft account. Starting in February 2025, you will stay signed in automatically unless you sign out or use private browsing.

Talk to support. If you have a Microsoft 365 for home subscription, or you purchased a one-time download of Office 2016, click the Contact Us link at the bottom of this page.. Ask the community

Use the audio troubleshooter if you experience issues with sound on your computer. Open the Get Help app.. In the Search bar, enter audio troubleshooter .. If asked to consent to proceed with diagnostics, select Yes .. Allow a few moments for the scan to complete.

Microsoft Edge always strives to give you with the best browsing experience possible. That’s why, with Microsoft Edge version 124, we’re excited to introduce a new and easier way to update your browser.

If you're not interested in trying the new Outlook for Windows just yet and don't want to be a part of this one-time switch, in classic Outlook go to File > Options> General > New Outlook options and uncheck Automatically switch me to new Outlook.. If you don't see this option, it means you're not currently eligible for an automatic switch to new Outlook for Windows at this time.

If multiple audio output devices are available, check that you have the appropriate one selected. Here's how: Select the Speakers icon on the taskbar.. Next, select the arrow to the right of the speaker volume slider to open a list of audio devices connected to your computer. The tool tip should display as Select a sound output when hovering over the arrow.