Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

Delegate access is when you give someone permission to access your mailbox or specific folders in your mailbox with the added ability of being able to create and respond to messages on your behalf.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Learn how to use PivotTable in Excel to calculate, summarize, and analyze data, revealing hidden patterns and trends.

How to sign in to Outlook on the web, access your email, contacts, and calendar.

Join Teams meeting with ease using our step-by-step guide. Learn how to join a Teams meeting via your calendar, a dial-in number, or on the web.

Before a meeting. In your Teams calendar, when scheduling or editing a meeting, use the Add required attendees or Add optional attendees box to search for and invite people. Then, you can use the scheduling assistant to see times when everyone is free.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

Learn how to concatenate text strings in Excel using the CONCATENATE function. Our step-by-step guide makes it easy to join two or more text strings into one.

Training: In Microsoft Outlook, you can share your calendar with other people and open a shared calendar. Learn how in this online video.