安裝 Microsoft Defender，保護您的Android、iPhone、Mac和 Windows 裝置免於受到威脅。 在您的裝置上下載 Microsoft Defender，方法如下： 掃描下列 QR 代碼 在 App Store 中搜尋 Microsoft Defender 與您的裝置共用，下列連結： 複製連結 我們鼓勵您為每個人至少在五部裝置上安裝 Microsoft Defender。 準備好試試看了嗎？

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code Searching for Microsoft Defender in your app store Sharing with your devices, the following link: Copy link We encourage you to install Microsoft Defender on at least five devices per person. Ready to give it ...

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提示: 如果使用移动数据，请尝试切换到 Wi-Fi 反之亦然。 确保飞行模式处于关闭状态。 请确保使用的是最新版本的 Authenticator - Microsoft不支持任何超过 12 个月的应用版本。 点击 “设置” ，并确保“ 应用更新 ”已打开。 获取最新消息。 点击 “设置” ，然后选择“ 关闭电池优化 ”以提高同步 ...

Learn more about why Microsoft 365 users can't open or view attachments in Outlook on the web. Share your files safely There are several ways to send and receive a blocked file. You can save the file to the cloud and send a link to the file, use a file compression utility like WinZip, or even rename the file with another extension, then have your recipient change the name back to the original ...

Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.