获取 Microsoft 365 的支持、帮助和学习资源。 使用 Microsoft 365 让你的生活井然有序、扩展你的创造力并保护重要信息。

The steps below describe how to change a known password for a Microsoft personal account. If you need to reset your Microsoft account password because you forgot it, see Reset your Microsoft account password instead.

Learn how to manage your Xbox account, sign in, and access Xbox features on different devices.

Tip When you're done collaborating, or at any time, you can stop sharing and remove access to your files. For OneDrive and SharePoint select the file then select Details > Manage access to stop sharing. For Lists, open the list and select the information icon in the top right corner, then select Manage access. For added security for OneDrive and SharePoint files, you can remove editing ...

Windows Web Office for iOS If you get a "Cannot change this part of a PivotTable report" message, make sure the entire PivotTable is selected. Press Ctrl + A, and then press Delete again. If you're using a device that doesn't have a keyboard, try removing the PivotTable like this: Select a cell anywhere in the PivotTable to show PivotTable Tools on the ribbon. Select PivotTable Analyze ...

檢查此頁面以了解 Xbox 功能和服務的狀態更新。

Copilotノートブックを使用する最良の方法は何ですか？ Microsoft 365 Copilotノートブックの使い方を始めるには？ Copilotノートブックの使用を開始するにはどうすればよいですか？

Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.

Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2. Security Improvements CVE-2026-65810 - .NET Framework Elevation of Privilege vulnerability This security update addresses an elevation of privilege vulnerability detailed in CVE-2026-65810. CVE-2026-62872 - .NET Framework Elevation of Privilege vulnerability This security ...

.NET 10.0 Update - June 9, 2026 .NET 10.0 has been refreshed with the latest update as of June 9, 2026. This update contains security fixes. See the release notes for details about updated packages. .NET 10.0 servicing updates are upgrades. The latest servicing update for 10.0 will remove the previous 10.0 update upon successful installation. For example, when the .NET 10.0.9 is installed .NET ...