Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.

在 XBOX 購買時會跳出錯誤訊息或錯誤代碼，或是對在 XBOX 上使用 VPN 有疑問？ 了解它們代表的意義。

查找Microsoft 365 订阅 如果看到 “管理 ”、“ 取消”或“更改付款” 等选项，则订阅按Microsoft计费。 如果管理选项有限或缺失，你的订阅可能由第三方管理。 如果你从 Microsoft 购买了 Microsoft 365 订阅 Microsoft订阅完全通过Microsoft帐户进行管理。 例如，如果你直接从 Microsoft (购买，则可以通过 Microsoft ...

Find help managing Xbox subscriptions, resolving billing issues, and accessing related support resources.

Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

获取与管理你的 XBOX 订阅、帐单问题等有关的详细信息。

XBOX Support offers help for XBOX, Game Pass, and billing questions. Get advice and customer service in the XBOX Support community.

Create Outlook Data Files (.pst) on your computer to save Outlook items by account, project, or to archive older items.

Find your Microsoft 365 subscription If you see options like Manage, Cancel, or Change payment, your subscription is billed by Microsoft. If management options are limited or missing, your subscription may be managed by a third party. If you bought your Microsoft 365 subscription from Microsoft Microsoft subscriptions are managed entirely through your Microsoft account. If you purchased ...

The October 14, 2025 update for Windows 11, version 22H2 and Windows 11, version 23H2 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 ...