Contact support in Outlook for iOS or Android You can get expert help with Outlook for iOS or Android from right inside the app! Easily communicate with our support team using the in-app support functionality in Outlook.

Learn how to fix error 0x80070070 so you can install an XBOX Game Pass game on your PC.

The XBOX Offline System Update (OSU) process allows you to update your console by downloading a file to a USB flash drive and then installing that file directly onto your XBOX Series X|S or XBOX One console.

Microsoft 提供的支持类型取决于你拨打电话的产品，以及你的产品是家用还是企业用。 它还可能取决于你是否需要有关 OneDrive 或 Outlook.com 等服务问题的帮助，或是需要有关 Windows 的帮助，但你没有现有的 Microsoft 365 订阅。 详细了解 哪些产品适用于家庭或企业。

Learn how to create an Xbox account and access games, community features, and support.

首次設定 iOS 版 Outlook 在你的 iOS 裝置上開啟 Outlook for iOS 應用程式。 選擇 新增帳號 以新增你現有的電子郵件帳號，或選擇 建立新帳號（如果你 想建立新的 Microsoft 帳號）。 如果你選擇 新增帳號，輸入你的電子郵件地址，並依照指示驗證帳號。

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

This out-of-band (OOB) update for Windows 11, version 25H2 and Windows 11, version 24H2 (KB5121767) is cumulative. It includes all improvements from previous security and non-security updates, along with an additional fix. Improvements This OOB update includes the following improvement: [System Performance] This update addresses an issue affecting a limited number of devices with an Intel ...

The October 14, 2025 update for Windows 11, version 25H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections. Summary Security Improvements CVE-2025-55248 - .NET Framework Information ...

Microsoft 支援服務在此協助您處理 Microsoft 產品。 尋找適用於 Microsoft Copilot、Microsoft 365、Windows 11、Surface 等的使用方法文章、影片和訓練。